Focometer
n. 焦距计\\n[化] 焦距计
🗣️ 情景例句
But this should be your decision.
但这必须由你做决定。
We have thirty minutes to kill.
我们有三十分钟空闲时间。
John works in a factory about ten kilometres from his home.
约翰在一家距离他家大约 10公里远的工厂工作。