BEMD二维经验模式分解
bev.有;在;是;到达;拜访
be limited in ways办法有限
be older than I am比我老
be subdivided into被再分成
Be no match for sb不是某人的对手
behaving mechanism行为机制
be good to be true太好了; 非常好
be off one's guard
be scheduled to do被安排, 定于
be offhand with sb对某人简慢无礼
be socially active社交频繁