Bejr贝尔
bev.有;在;是;到达;拜访
be the same size as和
Bekhterev's symptom
be at opposite endsprep.位于两端
be in the employ of受; 在 ... 处服务; 替 ... 工作
Bekhterev's nucleus
Be you engaged?
be rich in minerals矿藏丰富
be borne in upon sb被(某人)确信
Becterial infection细菌感染
be in a tight placeprep.处于困难