Semidiameter
n. 半径
🗣️ 情景例句
I'm Richard Stewart, and this is my wife, Marilyn.
我叫Richard Stewart ，这是我妻子 Marilyn。
There is honour among thieves.
盗亦有道。
But I was delighted to be able to say words that my family and a few friends could understand.
是，我却感到欣喜，能够说出我家里人和一些朋友可以理解的词语。