Beco贝措
bev.有;在;是;到达;拜访
be in good taste很雅致; 得体
be up to no good尽干坏事
be opposite from与 ... 相反不相容
be out on a limb孤立无援的境地
be all attention十分注意
be always afloat保持浮泊
be at one's door
be rewarded with得到 ... 的奖赏
Bechamp reaction伯钱反应
be out of danger脱离危险