Cerithium
蟹守螺属
🗣️ 情景例句
Tom's about to open the doors. Tom
准备要开门了。
The author of these books is a great writer.
这些书的作者是位伟大的作家。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。