Micropycnometer
微型比重瓶
🗣️ 情景例句
And there's so much to do.
而且这里总是有许多事可做。
I ask hin to tell me everything he saw.
我要求他告诉我，他所看到的每件事情。
They also hunted and killed wild animals.
他们还猎杀野兽。