B 开头单词
be rated as 被评为
be rarely seen in history 史上罕见
be rapt with joy 欢喜欲狂
be rapt in a book 看书入迷
be rapt in 全神贯注于 沉迷于 醉心于
be rapt 神往
be rapidly gaining momentum 迅猛兴起
be ranked 排列在 被排在 排名在
be ramshackle 摇摇欲坠
be rampant 猖獗 疯狂
be raised without restriction 层层加码
be raised to the skies 升天;去世
be quite confused and stupefied 恍恍惚惚
be quite at a loss 茫然不解
be quit of 免除 摆脱
be quiet and unexpressive 罕言寡语
be quiet 保持安静
be quick on the draw 拔枪迅速;反应敏捷
be quick in the uptake [语言学]理解很快