Picnometer
n. 比重瓶
🗣️ 情景例句
Thank you very much for a wonderful party.
非常感谢你组织了这么精彩的聚会。
Before I eat dinner,I read the newspaper for a while.
在我吃晚饭以前，我花一会儿读报纸。
The man obviously wanted to talk.
这人显然是想聊天。