Picnometer
n. 比重瓶
🗣️ 情景例句
Good for you.
我真为你高兴。
I hope that I can make a worthwhile contribution to the efforts of this group.
我希望能对这个团体努力的成果提供有价值的贡献。
What are your discount terms?
你们的折扣条件如何？