Granulometer
[计] 颗精测量仪\\n[化] 粒度分析仪
🗣️ 情景例句
Am I getting a good deal on this?
这买这个值吗？
For how long?
要借多久？
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。