Smokometer
烟密度计, 烟尘计
🗣️ 情景例句
Absolutely right, Frank.
完全正确 ，Frank。
We are sorry to delay the shipment because our manufacturer has met unexpected difficulties.
恕延期货船，因为我们厂家遇到了预料不到的困难。
The children started to walk around the island.
孩子们开始绕着小岛散步。