vitals

名词 vitals:

1. a bodily organ that is essential for life
   同义词：vital organ

1. The leader's vital and cheerful manner filled his men with courage.
   指挥官朝气蓬勃和欢欣愉悦的神态使士兵们勇气倍增。
2. The first thing to be done was to head off the enemy from the tender spots and vital places.
   首先要做的事是防止敌人从防守不严的部位及要害地方逃走。

vi.tals

pl.n.（复数名词）
The vital body organs.
要害器官
The parts essential to continued functioning, as of a system.
要害命脉：为继续运行的基本部件，如一个系统的基本部件