Hydroxytryptophane
羟色氨酸
🗣️ 情景例句
And you won't be able to speak for a while.
有一段时间 你们没有办法讲话。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。