Whewellite
水草酸钙石
🗣️ 情景例句
Well, Robbie told me when he gave me this.
嗯，当Robbie送给我这个的时候他告诉了我。
It's essential to choose the right means of transportation.
选择合适的运输方式很重要。
Will you let us have the specifications?
规格说明书可以给我们吗。