n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整(工资、价格等);
vi. [机械学]转位;
in(in)+dex(proclaim)→指针;索引;指数;食指;指标
🗣️ 情景例句
Your letter filled me with great vitality.
读了你的信之后我感到充满活力。
He brushes his teeth.
他在刷牙。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.