Semidiameter
n. 半径
🗣️ 情景例句
Oh, I forgot.
噢， 我忘了。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。