Micropicnometer
[化] 微量比重瓶
🗣️ 情景例句
Fifteen minutes! Thank you. Good-bye.
十五分钟 ！谢谢 。再见。
Until all is over one's ambition never dies.
不到黄河心不死。
He didn't often go to look for food himself.
他不经常自己去寻找食物。