Bibliometer
吸水性能测定仪
🗣️ 情景例句
What's that?
什么组织？
Why don't you turn off the stupid program?
何不把无聊的节目关掉？
I'm not sure. Maybe I'll give her some flowers. What about you?
我还不太肯定。也许我送她一些花儿。你呢？