Focometer
n. 焦距计\\n[化] 焦距计
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。
but on the Indian Ocean, the Cutty Sark took lead.
但在印度洋上，“卡萨萨克”号驶到了前面。