81.tend v. ①傾向，趨向
It tends to be snowing at this time of year.每年的這個時候天該下雪了。
The doctor tends to get angry if you ask her more questions.你要再問她更多問題那個大夫該發(fā)火了。
②照顧，照料
Her mother tends her during her illness.她生病期間媽媽照顧她。
How comes the nurses tending the patient fall ill one after another? 照料那位病人的護(hù)士怎么會一個接一個生病呢？
82.theme n.主題
What was the theme of your discussion? 你們討論的中心話題是什么？
He paused and returned to his favourite theme.他稍做停頓就又回到他喜歡的主題上了。
83.theory n.理論
It’s said that few people really understood his theory then.據(jù)說那時候很少有人真正明白他的理論。
He’s famous for his theories on black holes in space.他以其空間黑洞理論馳名。
84.timetable n.（火車、公共汽車等）時間表, （學(xué)校）課表
Will you please show me the school timetable？請把學(xué)校的課程表給我看看好嗎？
There seems to be something wrong with the train timetable.火車時刻表似乎出錯了。
85.tonight ad. & n.今晚，今夜
See you at eight, tonight then.那么我們今晚八點(diǎn)見吧。
Are you doing anything tonight? 今天晚上你有事要做嗎？
Tonight is still cloudy and windy.今天晚上天氣依然是多云有風(fēng)。
Such were tonight’s football results.上面是今晚足球賽的結(jié)果。
86.tough a. ①堅(jiān)硬的, 結(jié)實(shí)的
I bought a tough pair of shoes specially for the climb.我專門為登山買了雙結(jié)實(shí)的鞋子。
The material feels as tough as leather.這種材料摸上去和皮革一樣堅(jiān)韌。
②棘手的，難解的
It’s tough to find a good job these days.眼下找份好工作很難。
What a tough journey they’ve made! 他們完成了一段多么艱難的旅程??！
87.update v.更新，使現(xiàn)代化
They keep on updating the dictionary.他們總是更新字典的內(nèi)容。
How often do you update your computer system? 你們每隔多長時間更新計(jì)算機(jī)系統(tǒng)？
n.更新，現(xiàn)代化
Maps need regular updates.地圖需要不斷更新。
The update of the software took me more than one and a half hours.軟件的更新花了我一個半小時還多。
88.upset a.心煩的，苦惱的
She was upset at not being invited to the palace ball.她因?yàn)闆]有被邀請參加宮廷舞會而心煩。
Why does your husband look upset? 你老公怎么看上去很苦惱？
89.virus n.病毒
Many scientists in the world are researching into the new flu virus.世界上很多科學(xué)家在研究那種新型流感病毒。
My PC is attacked by a virus infection.我的個人電腦被病毒感染了。
90.volunteer n.志愿者，自愿者
This work is all done by volunteers.這些工作全是志愿者們完成的。
More and more volunteers joined in the project.越來越多的志愿者加入這個項(xiàng)目。
v.自愿，自告奮勇
She volunteered to help me with my computer skill.她自愿幫助我學(xué)習(xí)計(jì)算機(jī)技術(shù)。
Does anybody volunteer for relief work? 有人自告奮勇參加救濟(jì)工作嗎？
91.website n.網(wǎng)址
May I have your website? 可以告訴我你的網(wǎng)址嗎？
You can log on our website for further information.要獲取更多信息你可以登錄我們的網(wǎng)址。
It tends to be snowing at this time of year.每年的這個時候天該下雪了。
The doctor tends to get angry if you ask her more questions.你要再問她更多問題那個大夫該發(fā)火了。
②照顧，照料
Her mother tends her during her illness.她生病期間媽媽照顧她。
How comes the nurses tending the patient fall ill one after another? 照料那位病人的護(hù)士怎么會一個接一個生病呢？
82.theme n.主題
What was the theme of your discussion? 你們討論的中心話題是什么？
He paused and returned to his favourite theme.他稍做停頓就又回到他喜歡的主題上了。
83.theory n.理論
It’s said that few people really understood his theory then.據(jù)說那時候很少有人真正明白他的理論。
He’s famous for his theories on black holes in space.他以其空間黑洞理論馳名。
84.timetable n.（火車、公共汽車等）時間表, （學(xué)校）課表
Will you please show me the school timetable？請把學(xué)校的課程表給我看看好嗎？
There seems to be something wrong with the train timetable.火車時刻表似乎出錯了。
85.tonight ad. & n.今晚，今夜
See you at eight, tonight then.那么我們今晚八點(diǎn)見吧。
Are you doing anything tonight? 今天晚上你有事要做嗎？
Tonight is still cloudy and windy.今天晚上天氣依然是多云有風(fēng)。
Such were tonight’s football results.上面是今晚足球賽的結(jié)果。
86.tough a. ①堅(jiān)硬的, 結(jié)實(shí)的
I bought a tough pair of shoes specially for the climb.我專門為登山買了雙結(jié)實(shí)的鞋子。
The material feels as tough as leather.這種材料摸上去和皮革一樣堅(jiān)韌。
②棘手的，難解的
It’s tough to find a good job these days.眼下找份好工作很難。
What a tough journey they’ve made! 他們完成了一段多么艱難的旅程??！
87.update v.更新，使現(xiàn)代化
They keep on updating the dictionary.他們總是更新字典的內(nèi)容。
How often do you update your computer system? 你們每隔多長時間更新計(jì)算機(jī)系統(tǒng)？
n.更新，現(xiàn)代化
Maps need regular updates.地圖需要不斷更新。
The update of the software took me more than one and a half hours.軟件的更新花了我一個半小時還多。
88.upset a.心煩的，苦惱的
She was upset at not being invited to the palace ball.她因?yàn)闆]有被邀請參加宮廷舞會而心煩。
Why does your husband look upset? 你老公怎么看上去很苦惱？
89.virus n.病毒
Many scientists in the world are researching into the new flu virus.世界上很多科學(xué)家在研究那種新型流感病毒。
My PC is attacked by a virus infection.我的個人電腦被病毒感染了。
90.volunteer n.志愿者，自愿者
This work is all done by volunteers.這些工作全是志愿者們完成的。
More and more volunteers joined in the project.越來越多的志愿者加入這個項(xiàng)目。
v.自愿，自告奮勇
She volunteered to help me with my computer skill.她自愿幫助我學(xué)習(xí)計(jì)算機(jī)技術(shù)。
Does anybody volunteer for relief work? 有人自告奮勇參加救濟(jì)工作嗎？
91.website n.網(wǎng)址
May I have your website? 可以告訴我你的網(wǎng)址嗎？
You can log on our website for further information.要獲取更多信息你可以登錄我們的網(wǎng)址。