Semidiameter
n. 半径
🗣️ 情景例句
How shall I address you?
我该怎样称呼你？
I won't argue with you,but I think you're being unfair.
我不会与你争论，但是我认为你不公平。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。