1.fall v. 跌倒；摔倒；失勢；下降
fall over oneself 全力，竭盡所能
例句：He fell over himself and did an excellent job on the presentation.
他全力以赴，發(fā)言做得很棒。
fall into...分成(can be divided into several parts)
例句：1.All the environmental problems fall into three categories.
所有環(huán)境問題可分為三類。
2.The development of English language fall into three reasonably distant periods.
英語語言的發(fā)展可以分為三個不同的時期。
2.laboratory n. 實驗室；研究室
laboratory assistant實驗室助理
例句：The laboratory assistant swept off the broken glass．
實驗室助理員把碎玻璃打掃走了。
3.mark n. 1．標記2．分數(shù)，斑點 n. 1．記分 2．作標記
mark (grade, score) the papers 閱卷，判卷(to give mark/grade/score to the papers)
A:Did you say that your teaching assistant would mark the exam papers?
你是說由你的助教來判卷嗎？
B:No. I said that he would collect the papers. I'll grade them myself.
不，我是說他收卷，我將親自判卷。
4.section n. 一塊；一都分
editorial section （報紙的）社論版
A:Would you pass me the sports section, please?
你能不能把體育版給我？
B:Sure, if you pass me the classified ads and editorial section.
當然，那你把分類廣告版和社論版給我。
5.yet conj．雖然如此；仍然
yet to be... 有待(expected to be)
例句：More discoveries are yet to be made to uncover the mystery.
要揭開這個謎還有待更多的發(fā)現(xiàn)。
fall over oneself 全力，竭盡所能
例句：He fell over himself and did an excellent job on the presentation.
他全力以赴，發(fā)言做得很棒。
fall into...分成(can be divided into several parts)
例句：1.All the environmental problems fall into three categories.
所有環(huán)境問題可分為三類。
2.The development of English language fall into three reasonably distant periods.
英語語言的發(fā)展可以分為三個不同的時期。
2.laboratory n. 實驗室；研究室
laboratory assistant實驗室助理
例句：The laboratory assistant swept off the broken glass．
實驗室助理員把碎玻璃打掃走了。
3.mark n. 1．標記2．分數(shù)，斑點 n. 1．記分 2．作標記
mark (grade, score) the papers 閱卷，判卷(to give mark/grade/score to the papers)
A:Did you say that your teaching assistant would mark the exam papers?
你是說由你的助教來判卷嗎？
B:No. I said that he would collect the papers. I'll grade them myself.
不，我是說他收卷，我將親自判卷。
4.section n. 一塊；一都分
editorial section （報紙的）社論版
A:Would you pass me the sports section, please?
你能不能把體育版給我？
B:Sure, if you pass me the classified ads and editorial section.
當然，那你把分類廣告版和社論版給我。
5.yet conj．雖然如此；仍然
yet to be... 有待(expected to be)
例句：More discoveries are yet to be made to uncover the mystery.
要揭開這個謎還有待更多的發(fā)現(xiàn)。