Dichloromethane
n. [化]二氯甲
🗣️ 情景例句
Could I?
我可以用吗？
Who is the man?
那位男士是谁？
There is no sky in June so blue that it does not point forward to a bluer,
六月蔚蓝的天空总使人遥想一个更加蔚蓝的苍穹；