Periapse
近质心点
🗣️ 情景例句
I need some new shoes to go with these pants.
我需要双新鞋来配这条裤子。
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。