重点讲解:
1. be different from 有差别的;不同的;
例句:Public speaking
is different from conversation.
演讲和日常说话是不同的。
2. in bulk 大宗,大批(买卖);
例句:Buying
in bulk is more economical than shopping for small quantities.
批量采购要比零买实惠很多。
3. be covered with 用…遮盖;把…铺在…上;
例句:The hillsides
are covered with ferns.
山坡上长满了蕨类植物。
4. a bunch of 大量;大批;
例句:There were
a bunch of reasons why I couldn't go to the marathon on the weekend.
周末我不能去马拉松的原因很多。
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