Osculating circle
密切圆
🧩 词语组成解析
密切的
🗣️ 情景例句
But when Robbie was born,
但当Robbie出生后，
There used to be a grocery store on the corner.
过去在角落上有一个杂货店。
The weather can be quite warm in autumn.
秋天，气候十分暖和。