n. 短上衣,夹克;土豆皮;书籍的护封;文件套,公文夹;
vt. 给…穿夹克;给…装护套;给…包上护封;〈口〉打;
🗣️ 情景例句
What do you mean?
你是什么意思?
Mr. Smith is a politician.He's running for election as governor.
史密斯先生是竞选州长的一名政治家。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.