B 开头单词
be sullen in nature 性情乖戾
be sullen by nature 本性乖戾
be suited to 适合于
be suited for 适合做…；适合于…
be suitable to 适合于…
be suitable for sb 适合某人
be suitable 适应；适合于
be suggestive of 提示有… 使想起… 表现出…
be sufficient to 足以…；对…来说足够了
be suddenly serious 撂下脸来
be successful in 在…方面成功
be succeeded by 继之以...... 由......接任
be subordinate to 次于…；从属于…
be submitted to 被提交给…；服从于…
be submerged in 被淹没在（submerged是submerge的过去分词）
be subject to taxation [经济学]被抽税
be subject to changing moods 喜怒无常
be stunned 震惊
be studded with 被镶上（studded是stud的过去分词）