Noun:

1. large African forest tree yielding a strong hard yellow to golden brown lumber; sometimes placed in genus Sarcocephalus

opev.开放；自由进出（动词open的古体）=open.Opel Speedster欧宝疾驶,简称疾驶operon complex操纵子复合物operon network操纵子网opercular fold[医] 前柱褶ope protection护坡opercular part岛盖部Opemtion method操作方法operculum colpi沟盖opercular layer孔盖层Opephora martyin.马氏槌棒藻