重點(diǎn)講解:
1. used to do sth. 過去常常;過去曾;
I used to play here as a boy.
我小時候常在這里玩 。
2. take refuge 庇護(hù);避難;
They to ok refuge in a bomb shelter.
他們在防空洞中避難 。
3. be aware of 注意到的;察覺到的;意識到的;
Advanced students need to be aware of the importance of collocation.
層次較高的學(xué)生必須意識到詞語搭配的重要性 。
4. again and again 再三;反復(fù);
The same changes took place again and again.
同樣的變化一再發(fā)生 。
n. 小路,跑道,蹤跡,軌道,樂曲
v. 跟蹤