Offgas
尾气
🗣️ 情景例句
Sorry, Richard. They don't have it.
对不起 Richard 他们那里没有。
By accident Marion overheard some nasty gossip.
马里恩偶然听到了一些令人不愉快的谣言。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。