Backfilling
[机] 回填
🗣️ 情景例句
Dad, Richard--Alexandra's here.
爸爸 Richard Alexandra来了。
The young wheat sprouted quickly after the rain.
雨后，新鲜的麦芽迅速的长了出来。
I don't know. I've got a headache and a cough.
我不知道。我头痛和咳嗽。