Caoutchouc
n. 纯橡胶, 生橡胶\\n[化] 生橡胶
✅ 同义词
🗣️ 情景例句
How much are the dues?
会费多少？
No, it isn't. It's a bus.
不，那是一辆公共汽车。
He simply had no sense of danger at all.
而是他压根儿没有一点儿危险感。