Esotoxin
内毒素
🗣️ 情景例句
The weather during our holiday was perfect.
我们度假时天气好极了。
Excuse me,sir.Can you give me some information
对不起,先生.你能给我一些信息吗？
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。