Radial clearance
[化] 环向间隙
🧩 词语组成解析
🗣️ 情景例句
Does two o'clock sound alright?
两点钟好吗？
It is a small flock that has not a black sheep.
家家难免有败类。
There is only enough spring water to supply the needs of the houses, so we have to pump from the river for farm use.
泉水只能满足家庭生活用水，因此我们必须从河里抽水以用于农业生产。