Amorphous polyolefins
[化] 非晶性聚烯烃
🧩 词语组成解析
🗣️ 情景例句
You are twenty-one, a grown-up young lady old enough to make up your own mind.
你已经21岁了，已经到了可以自己做主的年龄了。
To drive a car
驾驶汽车
What was the population of the world in 1950?
1950年世界人口是多少？