Phytocollite
氮腐殖质
🗣️ 情景例句
Like what?
什么？
The fault of the horse is put on the saddle.
马劣动怪马鞍坏。
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。