She was dressed only in a vest and underpants.她只穿了一件汗衫和一条短裤.The basic forms of jacket, vest, and breeches developed slowly.上衣 、 背心 、 马裤的基本式样发展很缓慢.He wore a woollen vest beneath his shirt.他衬衫里面穿着一件羊毛背心....
砒霜是毒药.Arsenic is a poison.它们和氰化无物和砒霜一样致命.They're as deadly as cyanide or arsenic.比如说,她那次买老鼠药 、 砒霜的情况.Like when she bought the rat poison, the arsenic....
He used to be a dunce at school.他上学时曾是个笨学生.Michael may have been a dunce at mathematics, but he was gifted at languages.迈克尔在数学上可能不太灵光，但在语言方面很有天赋。I was a dunce at chemistry.我在化学方面是个劣等生....