n.維持生計(jì)；營(yíng)養(yǎng)；食物

He gave money for the sustenance of a poor family. 他把錢(qián)給一窮人家維持生活。

There isn't much sustenance in a cucumber. 黃瓜沒(méi)有很多營(yíng)養(yǎng)。

He has gone for a week without sustenance. 他已經(jīng)一星期未吃食物了。

The urban homeless are often in desperate need of sustenance. 城市里無(wú)家可歸的人極其需要食物來(lái)維持生命。