🧩 词语组成解析
pine
[pain]
n. 松树;松木;凤梨，菠萝;
vi. 憔悴;痛苦;渴望;
vt. 为…悲哀;哀悼;消瘦;渴望，渴慕;
adj. 似松的;松木的;
🗣️ 情景例句
Coffee, please.
请来点咖啡。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，