詞組
1 to research into 研究
2 speculation about 關(guān)于…猜測(cè)
3 to swallow up 吞沒，耗盡
4 to make use of 利用
To reduce to 歸納，簡(jiǎn)化，迫使
To apply to 適用于，應(yīng)用
詞匯精講：
1 escape v.逃跑，避免
A lion has escaped from its cage.
一頭獅子從籠子里跑出來了
2 exert： vt.用盡；盡力；運(yùn)用；行使；施加，產(chǎn)生（影響等）
用法：exert pressure on sb.給…施加壓力
She exerted herself all year to earn good marks.她整年努力以期獲得好分?jǐn)?shù)。
He's been exerting a lot of pressure on me to change my mind.他一直在施加種種壓力要我改變主意。
Black holes exert very strong gravity.黑洞產(chǎn)生很強(qiáng)的引力。
3 explode v.爆炸，突發(fā)
xplosion n.
explosive a.
A bomb exploded at one of London's busiest railway station this morning.
今天上午一顆炸彈在倫敦最繁忙的火車站爆炸了。
4 collapse v.n.倒塌， 崩潰
例句 參考教材第34-35頁的 word Study 2
5 shrink： （shrank， shrunk ） v.退縮；畏縮；n.收縮；縮小
用法： The gross national product shrank one percent last year.去年國民生產(chǎn)總值減少了1%.
Washing wool in hot water will shrink it .在熱水中洗羊毛會(huì)使它縮水。
We will never shrink back before difficulties .我們?cè)诶щy面前決不退縮。
6 boundary n.分界線，邊界
We crossed the state boundary at midnight.
我們?cè)谖缫勾┻^了州界。
7 constant adj.不斷的，經(jīng)常的；永恒的，始終如一 n……常數(shù)
He is in constant trouble with the police.他總是不斷和警察惹麻煩。
There are no constants at all.根本沒有不變的事物。
對(duì)比同義詞：
continual 時(shí)斷時(shí)續(xù)的 It continually shrinks by the force of its own gravity
continuous 連續(xù)不間斷的 The brain needs a continuous supply of blood.
大腦需要不斷的供血。
constant強(qiáng)調(diào)不變，永恒
8 implication： n.牽連；涉及；卷入；含意；暗示
派生詞：imply v.暗示，含意
用法：She seemed by implication to acknowledge that fact.她似乎含蓄地承認(rèn)了那事實(shí)。
The implication of your statement is that I was wrong.你這話的弦外之音是我錯(cuò)了。
9 launch： v.發(fā)射，發(fā)動(dòng) n.發(fā)射
The launch of the third man-made satellite turned to be a great success.第三枚航天器的發(fā)射結(jié)果是巨大成功。
In the 1980's our country launched a number of satellites.80年代我國發(fā)射了多顆衛(wèi)星。
1 to research into 研究
2 speculation about 關(guān)于…猜測(cè)
3 to swallow up 吞沒，耗盡
4 to make use of 利用
To reduce to 歸納，簡(jiǎn)化，迫使
To apply to 適用于，應(yīng)用
詞匯精講：
1 escape v.逃跑，避免
A lion has escaped from its cage.
一頭獅子從籠子里跑出來了
2 exert： vt.用盡；盡力；運(yùn)用；行使；施加，產(chǎn)生（影響等）
用法：exert pressure on sb.給…施加壓力
She exerted herself all year to earn good marks.她整年努力以期獲得好分?jǐn)?shù)。
He's been exerting a lot of pressure on me to change my mind.他一直在施加種種壓力要我改變主意。
Black holes exert very strong gravity.黑洞產(chǎn)生很強(qiáng)的引力。
3 explode v.爆炸，突發(fā)
xplosion n.
explosive a.
A bomb exploded at one of London's busiest railway station this morning.
今天上午一顆炸彈在倫敦最繁忙的火車站爆炸了。
4 collapse v.n.倒塌， 崩潰
例句 參考教材第34-35頁的 word Study 2
5 shrink： （shrank， shrunk ） v.退縮；畏縮；n.收縮；縮小
用法： The gross national product shrank one percent last year.去年國民生產(chǎn)總值減少了1%.
Washing wool in hot water will shrink it .在熱水中洗羊毛會(huì)使它縮水。
We will never shrink back before difficulties .我們?cè)诶щy面前決不退縮。
6 boundary n.分界線，邊界
We crossed the state boundary at midnight.
我們?cè)谖缫勾┻^了州界。
7 constant adj.不斷的，經(jīng)常的；永恒的，始終如一 n……常數(shù)
He is in constant trouble with the police.他總是不斷和警察惹麻煩。
There are no constants at all.根本沒有不變的事物。
對(duì)比同義詞：
continual 時(shí)斷時(shí)續(xù)的 It continually shrinks by the force of its own gravity
continuous 連續(xù)不間斷的 The brain needs a continuous supply of blood.
大腦需要不斷的供血。
constant強(qiáng)調(diào)不變，永恒
8 implication： n.牽連；涉及；卷入；含意；暗示
派生詞：imply v.暗示，含意
用法：She seemed by implication to acknowledge that fact.她似乎含蓄地承認(rèn)了那事實(shí)。
The implication of your statement is that I was wrong.你這話的弦外之音是我錯(cuò)了。
9 launch： v.發(fā)射，發(fā)動(dòng) n.發(fā)射
The launch of the third man-made satellite turned to be a great success.第三枚航天器的發(fā)射結(jié)果是巨大成功。
In the 1980's our country launched a number of satellites.80年代我國發(fā)射了多顆衛(wèi)星。