Sdlc
[计] 同步数据链路控制规程
🗣️ 情景例句
I've got to start thinking about college soon.
我很快也得开始考虑大学的事了。
The price of this model of cassette-player is 2500 Belgian francs at today's rate of exchange.
这个型号的录音机，按今天汇率，每台2500比利时法郎。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。