hardpan
/'hɑːdpæn/ /'hɑrd,pæn/
n. 硬质地层；粘土层；最低点
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hydrogenation, hydro-genation, hydrogenator, hydrogenchloride, hydrogen-clinoptilolite, hydrogen-containing, hydrogenerator, hydro-generator, hydrogenesis, hydrogenic,
相似单词
Hardnester, hard-nosed, hard-of-hearing, hardometer, hard-on, hardpan, hardpaste, hard-paste, hardpoint, hard-point,