Methylnorethindrone
18-甲炔诺酮
🗣️ 情景例句
It's complicated.
原因很复杂。
His heart cannot be pure whose tongue is not clear.
嘴不净者心不纯。
that it can hardly hope to stand up to a realistic evaluation.
以致这种估价很难指望经受住现实的考验。