Covalent
a. 共有原子价的, 共价的
🗣️ 情景例句
The weather couldn't have been better.
天气再好不过了。
I wish I could.
不行。
One of Charlie Chaplin's most famous films was The Gold Rush, which was made in 1925.
查理·卓别林最著名的影片之一是《淘金热》，它是在1925年摄制的。