短语词组短語Gravid mouse 妊娠母鼠gravid trophocyte 妊娠滋養細胞gravid segment 孕節gravid rate 妊娠率gravid horn 孕角gravid prawn 懷卵親蝦gravid mice 妊娠母鼠gravid proglottld 孕節gravid proglottid 妊娠節片;孕節 返回 gravid