B 开头单词
be prepared 做好準備；準備好了；準備妥儅
be preoccupied with 一心想著… 專注於…
be prejudiced against 對...有偏見
be pregnant with 充滿 孕育
be pregnant 懷孕 懷胎
be predisposed to 本來愛好……，有……的傾曏，易患……病
be praised for 因……而受到贊美
be practical and realistic 實事求是
be powered by 由……供電（powered是power的過去分詞） 由……提供動力（powered是power的過去分詞）
be postponed for some reason 因故改期
be possessed of 具有；擁有；佔有
be positive about 確信 對……積極的
be positive 積極
be populated with 用…填充
be popular with sb 受某人歡迎
be popular with 爲……所喜歡；受……歡迎