Tyndallimeter
廷德尔计, 悬体测定计
🗣️ 情景例句
I don't know.
我也说不上来。
The busiest men find (or have) the most leisure (or time).
最忙的人时间最多。
Pollution is the price we pay for an overpopulated, over industrialized planet.
污染就是我们为这个人口过密，过度工业化的星球所付出的代价。