food是长音: /u:/

All other forms offoodhad disappeared .
其它形式的食物全都绝迹了。

Chew yourfoodwell before you swallow it .
食物在吞咽前要仔细咀嚼。

Could they supplyfoodfor the guerrillas ?
他们能供给游击队食品吗？

The pain is often exacerbated by certainfoods.
某些食物常加重疼痛。

The baby threw itsfoodon the floor .
那个小孩儿把食物扔到地上了。