Weatherometer
老化试验机, 人工老化机
🗣️ 情景例句
It'll all be over in two hours.
再两个小时就结束了。
I know the boy whose father is an engineer.
我知道那个男孩的父亲是工程师。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。