Elastoprene
二烯橡胶
🗣️ 情景例句
I'm asking in the five thousand a month.
我要求月薪5000元。
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。