Decyne
癸炔
🗣️ 情景例句
He's gone for the summer.
他夏天度假去了。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）