需要: 1.(应该有或必须有) need; want; require; demand; do with 短语和例子需要立即采取行动 require immediate action; 她需要休息。 she is in need of a rest. 我们需要一个和平的国际环境。 we want [need] a peaceful international environment
东西: 东西1.(泛指示各种具体的或抽象的事物、 物体) thing 短语和例子有生命的东西 living things; 病人两天没有吃东西了。 the patient hasn't eaten anything for two days. 他买东西去了。 he is out doing some shopping. 一成不变的东西是没有的。 nothing is immutab
