1、由构成
... be closet to最接近…… be composed of由构成 be equivalent to anther equation与另一方程痛解 ...
2、由
... compose vt. 组成，构成；创作；作曲 be composed of 由。。。。。。组成 composition n. 构成，组成;写作，作文；作曲，创作 ...
3、组成
...be composed of 组成;构成;deal with 处理;应付;与…打交道;turn out 原来是;结果发现; ...
4、构成
...be composed of 组成;构成;deal with 处理;应付;与…打交道;turn out 原来是;结果发现; ...
be e composed of由…组成;由……组成
be composed of phrase由…组成
Be composed of sth由
bonsai be composed of trees水石盆景
be composed of two parts由两部分合成