B 开头单词
be surrounded by 被包圍
be surprised at 對…感到驚奇；使…感到意外；對……很喫驚
be surprised 感到驚奇
be sure to do sth 一定會做某事；務必做某事
be sure to do 一定做某事；確定做
be sure of oneself v. 自信；有自信心
be sure of 確信；對…有把握
be sure about 對…有把握；確信
be sure 肯定；確信
be supremely happy 喜之不盡
be supposed to do 應該乾……
be supposed to 應該；被期望
be supportive of 支持...
be supported by 由……支持（supported是support的過去分詞）
be superior to temptation 不受引誘
be superior to 不受誘惑；不屈服於；優越於