Comesa
氨甲酸甲戊炔酯
🗣️ 情景例句
No, no. Please, go ahead.
不用 ，不用。你走吧。
Would you open the door for me, please?
你能替我开门吗？
They arrived early on a Tuesday morning.
他们是在一个星期二的清早到工厂的。