Aroyl
[机] 芳香烃酰基
🗣️ 情景例句
How many stamps do I need?
我需要多少邮票？
Which of your arms is sore?
你哪个手臂酸呀？
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。