Ppn
abbr. precipitation 降水; 沉淀; 雨量; proportion 比例
🗣️ 情景例句
This is my sister Susan.
这是我妹妹Susan。
A good horse often needs a good spur.
好马常要好靴刺。
We continually wage war on them, for they contaminate our food, carry diseases, or devour our crops.
人类不断同昆虫斗争，因为昆虫弄脏我们的食物，传播疾病，吞噬庄稼。