Selectionist
n. 自然选择论者
🗣️ 情景例句
and ask her to come by and talk about it.
请她过来谈谈这件事。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
在这个地带的低处是很长的一段尾沙地段，基本上可以断定这个地段是大陆块体上侵蚀下来的物质被水冲到深水处形成的。