B 开头单词
be constitutive of 由…构成
be constituted 由……构成（constituted是constitute的过去分词）
be constipated [医药科学]没有大便
be consistent with 与...一致
be considered to be 被认为是…...（considered是consider的过去分词） 被看作…...（considered是consider的过去分词）
be considered to 被认为
be considered 被认为是…
be considerate about 体谅...；替...着想
be consequent on 因…而引起的；随…而发生的
be conscripted to 被征召（conscripted是conscript的过去分词）
be conquered without difficulty 一鼓而下
be connected with 与…有关
be connected to 与…有联系，与…有关联；与…连接
be connected by 由…连接
be connected 关联
be confused with 与…混淆
be confronted with 面临，面对；对照