Bevern.贝弗bev.有；在；是；到达；拜访be restricted in one's movements行动受约束be obsequious to one's superiors啤酒废酵母be slightly similar to ...和 ... 略微相似be beforehand with one's packing比尔-朗伯吸收定律Be there an electric outlet?麦芽汁培养基be somewhat similar to ...和 ... 有些近似be bursting with youthful vigour充满着青春的活力Be always how migraine does?比尔-布给定律be disaccustomed of sitting late去掉熬夜的习惯Be uncomfortable or disappointed不舒服的; 不好受的; 失望的; 受挫的

1. He was the only person awake at the moment.
   他是那时唯一醒着的人。
2. I'm glad I happened to be awake.
   我很高兴碰巧醒着的。