Scopometer
视测浊度计
🗣️ 情景例句
By working together,
透过共同工作，
Choose an author as you choose a friend.
选书如择友。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，