Methylvinyl
甲乙烯
🗣️ 情景例句
Compliments of the Watermill Inn. Watermill Inn
请客。
You haven't sold your product in our country so far, have you?
到目前为止，你们的产品尚未在我们国家销售，是吗？
Two weeks ago it had a baby.
两周前它生了个孩子。