Etheride
酰卤化物
🗣️ 情景例句
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
My coat is yellow.
我的外套是黄色的。
Those who seek it undertake an arduous journey and can never be sure that they will find it.
那些寻求正义的人走的是一条崎岖的道路，从来没有把握他们最终将到正义。