军考英语：易混英语词汇辨析：tall, high

　　71. at all, after all

　　at all 根本，全然;

　　after all 到底，毕竟，例：After all he is a child.

　　72. tall, high

　　tall 常指人或动物，例：He is tall.

　　high 常指物体。