Elastoprene
二烯橡胶
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Yes, and you may stay there longer.
对，而且你也许会在那儿住久一些。
The man wanted to fly to Rockall, a lonely island in the Atlantic Ocean,
这个人想要飞往大西洋上的一个孤岛 -- 罗卡尔岛，