重點講解:
1. because of 因為;由于;
例句:She could only croak because of her heavy cold.
她因患重感冒只能用沙啞的聲音說話 。
2. used to do sth. 過去常常;過去曾;
例句:My uncle used to commute ten miles to the city.
我的叔父過去每天要走10英里到城里去 。
3. even if 即使;盡管;縱然;
例句:Even if I have to walk all the way I'll get there.
即使一路走著去,我也得趕到那里 。
4. in regard to 關于;至于;
例句:I have nothing to say in regard to that subject.
對那個問題,我沒有什么要說的 。
n. 凈化,提純,[宗]滌罪