There was a critical shortage of food.

当时粮食奇缺。

At relief centres, no one complains outwardly, though they are suffering from a critical shortage of supplies.

在救援中心，虽然人们困于物资匮乏，但无人大声抱怨。

Singapore's Chinese community will soon face a critical shortage of people who are proficient in the Chinese language.

我国华人社会不久将面临华文人才短缺的危机。

A critical shortage of grain occurred, and many rural people starved to death. Then tens of millions people died abnormally, and in certain places cannibalism appeared.

粮食奇缺，广大农村爆发大面积的饿死人的现象，出现了数以千万计的非正常死亡人口。

New cell-based technologies are in the pipeline, however, and may finally get the support they need now that the United States is faced with a critical shortage of flu vaccine.

但是，新的细胞生产技术已经投入使用，并且由于美国现在面临的流感疫苗的严重短缺而可能最终得到它们所需要的支持。