Cdrom
abbr. 只读光盘（CD-Read Only Memory）
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
Air China has a flight leaving at 9:25.
中国航空公司有一班飞机，9点28分起飞。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。