concave

a. hollow 空的，中空的。
△As.3.4.23: “butfor his verity in love,I do think him as concave as acovered goblet or a worm-eaten nut.”但是说到他的爱情的真心实意来，那么我想他就像一只带盖的酒杯或是一枚被虫蛀了的硬壳果一样是中空的。

concave[kɔnˈkeiv]

n. 凹面，凹形 adj. 凹的
‖ concave angle凹角
concave lens凹透镜
concave mirror 凹透镜
concave relief空心浮雕
concavely adv. concaveness n. concavity n.凹面，凹形，凹度