Surface maintenance is a critically important operation in the food product manufacturing industry.

　　在食品工業(yè)中，表面保養(yǎng)是一個精細(xì)的、要的操作。

　　She's critically ill, on life support.

　　她病情危急，靠機器來維持生命。

　　This has given him a disposition to consider our traditions critically

　　這使他傾向以批判眼光看待我們的傳統(tǒng)。

　　She kept vigil at the bedside of her critically ill son

　　她整夜都守在病重的兒子床邊。

　　Three workers were critically injured in an accident.

　　在一次事故中，3名工人嚴(yán)重受傷。