Elastoprene
二烯橡胶
🗣️ 情景例句
This is really neat!
太好了
I think it's going to be too big.
我认为它将太大。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。