Semidiameter
n. 半径
🗣️ 情景例句
Hey, you know? There's still some film left on this roll,
嘿 ，知道吗？ 这一张 ，还有一些底片，
The more a man knows, the more he see his ignorance.
大智若愚。
Yes, do please. That's a good idea.
对，就谈这个。那是一个好主意。