Sepsometer
空气有机质测定计
🗣️ 情景例句
After Richard was born.
等生下Richard之后。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
Plumtree-that's a small village not far from Sydney. What about you? You're from England, aren't you?
普拉姆特里--那是个离悉尼不远的小村庄。你呢？你是英国人，对吗？