Autogeny
n. 无生源说
🗣️ 情景例句
I miss seeing you.
我很想见到你 。
How are you going?Are you going by boat?
你怎样去?坐船去吗？
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。