Oxacid
含氧酸
🗣️ 情景例句
Hey, how's it going?
嗨！ 怎么样？
Well begun is half done.
良好开端，功成一半。
feel that they have not received adequate treatment unless they are able to carry home with them some tangible remedy in the shape of a bottle of medicine,
觉得没算得到充分的治疗，如果不能带回一些看得见、摸得着的药物回家的话，如一瓶药水、