Preappoint
vt.预先约定, 预先指定
🗣️ 情景例句
Is something the matter, Grandpa?
怎么了，爷爷？
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。