n. 牙( tooth的名词复数 );齿;齿状部份;致力于( 有难度的事);tooth的复数形式;(组织、法律等)强大有效;不顾危险(或反对等);
🗣️ 情景例句
I saved it for my wedding day.
我留着等我的结婚日才用。
You have to change at chicago station.
你必须要在芝加哥站转车。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.