Perhydro-
[化] 全氢化
🗣️ 情景例句
Please accept these gifts with my thanks.
请接受这些礼物以表达我的谢意。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Sometimes ago, the United States Navy, for instance,
例如，美国海军前些时候