Photoelectric equation
[医] 光电方程式
🧩 词语组成解析
🗣️ 情景例句
First word ...
第一个字……
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
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。