Carbohm
电阻测碳仪
🗣️ 情景例句
It has been a learning experience. That's true.
这真是一次学习经验， 真的。
His opening remarks were serious.
他的开场白说得很严肃。
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。