Sprocket channel
[计] 定位道
🧩 词语组成解析
n. 链轮齿\\n[机] 链轮
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
The used key is always bright.
常用的钥匙总是光亮的。
As a matter of fact, it is the other way around.
事实上，情况正好相反。