(a.) Beneath the sky; in the open air; specifically (Geol.),
taking place on the earth's surface, as opposed to subaqueous.
校对:诺琳
双语例句
On a rainy day, even in a gently undulating country, we see the effects of subaerial degradation in the muddy rills which flow down every slope. 查尔斯·达尔文.物种起源.