Ringelmann chart
[医] 林格耳曼氏图(用以检查烟的浓度)
🧩 词语组成解析
🗣️ 情景例句
He's busy preparing for class.
他忙着准备功课。
Old friends and old wine are best.
古交友情深，陈酒香味醇。
This house is my own.
这所房子是我自己的。