Elastoprene
二烯橡胶
🗣️ 情景例句
The government has adopted many measures to promote its economy.
政府采取了许多措施来发展经济。
Don't forget to take care of him.
不要忘记照顾他。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。