Hondrometer
粒度计, 微粒特性测定计
🗣️ 情景例句
Well, there's a lot to think about.
噢 有许多事需要考虑。
The target shooting requires the power of concentration.
射击需要集中精神。
Oh, on a farm near here.What about you? What do you do?
离这儿很近的一个农场。你呢？你是干什么的？