Decalone
[化] 萘烷酮
🗣️ 情景例句
And if I can be of any help,
如果我能有所帮忙的话，
If you hadn't slipped and fallen,you wouldn't have broken your leg.
如果你没滑倒,你就不会断腿了。
He began to catch up with the others.
他开始赶上其他人。