Picomole
n. [化]皮(可)摩尔,微微摩尔,百亿分之一摩尔
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
Excuse me for a moment.
失陪一会儿。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。