Perkins'reaction
[机] 珀金斯反应
🗣️ 情景例句
Robbie and Alexandra told me
Robbie和Alexandra告诉我
I've forgotten what time he said he had dinner last night.
我忘记了他昨晚什么时间吃晚饭的了。
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。