单词	Betula
释义	Betula [医] 桦属
随便看	reference piece reference pilot reference pitch reference pitch angle reference plan reference plane reference-plane reference plant reference plus sequence reference pod reference point reference-point reference point according to goldberger reference point relative bearing reference points reference point source reference point temperature reference population reference port reference position reference potential reference power reference power meter reference power supplement reference power supply 岸痕犹带残雪岸花狂岸觜冲波岸边两两三三岸远荆门闭岸锁春船峡束苍江对起峡里谁知有人事峥嵘如鬼工峥嵘岁又除操毫操法操演操理操盘操神操纵操练操舵操虑