Ethylenic
a. ethylene的变形
🗣️ 情景例句
And this is my mother, Ellen Stewart.
这是我妈妈， Ellen Stewart。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
During these tests she was able to read a newspaper through an opaque screen and,
在这些测试中，她能隔着不透明的屏幕读报纸。