n. 态矢,刃
网络 酮体(Ketonebodies); 英语入门考试(key English Test); 氯胺酮(Ketamine)
bra-ket) for quantum mechanics.
这叫做量子力学的 Dirac 标记法(也可以称做 bra-ket)。
He actually expected me to pay for his tic ket.
他竟然指望我给他付票钱。
He queued up to by his subway tic ket of20 penny.
他排队买了一张20便士的地铁车票。
You must present your library tic ket every time you borrow books.
你每次借书都必须出示借书证。
He got a free tic ket to the play by masquerading as a friend of the actors.
他冒充是演员的一位朋友,得到一张免费票看这出戏。