Albertite
[机] 阿贝他矿砂, 黑沥青
🗣️ 情景例句
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
A still tongue makes a wise head.
智者寡言。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们