n. 储备;保护区;保留;替补队员;
vt. 储备;保留;预约;
vi. 预订;
adj. 保留的;预备的;
例句:
Reserve several seats for the teachers.
给老师留几个坐位.
The mistakes of the past must be exposed without any reserve.
把以前的错误都抖搂出来,决不保留.
Say all you know and say it without reserve .
知无不言, 言无不尽