Trimethyl
三甲基色氨酸, 刺桐子氨酸
🗣️ 情景例句
I see. By the way, what benefit can we get if we act as your agent?
明白。顺便问一下，假如我们做你们的代理会有什么好处？
I'm leaving tomorrow,but I haven't packed my suitcases yet.
我明天将离开，但是我还没收拾好行李。
The children are no longer young, and they know who Father Christmas really is.
孩子们不小了，他们知道真正的“圣诞老人”是谁。