Circular aperture
[电] 圆孔
🧩 词语组成解析
🗣️ 情景例句
That was fast.
而且又快。
Hasty climbers have sudden falls.
大起者有大落。
For most of the earth's history they have been the only form of life on our planet.
在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。