Polysubstitution
多取代(作用)
🗣️ 情景例句
Oh, it must be Alexandra.
一定是Alexandra。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
Can you cover for me on Friday. Tell me how to get there?
星期五能不能请你替我个班。 你能告诉我到那里怎么走吗？