Dichlorethylene
二氯乙烯
🗣️ 情景例句
You were right, Grandpa.
给你说对了 ，爷爷。
We continued to struggle up the steep slope of the mountain.
我们为了攀登山的陡坡，不断地倍尝辛劳。
How many people lived here?
多少人住在这里？