Richellite
土氟磷铁矿
🗣️ 情景例句
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
I think your industrial robots are the best in the field.
我认为你们的工业机器人在这领域是最好的。
Yes. Wash your hands with soap at the end of your experiment.
可以。在实验结束时要用肥皂洗手。