Methaphenilene
[化] 美沙芬林
🗣️ 情景例句
What's your major?
你主修什么专业？
Who is it? Come down.
是谁？下来。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。