| 单词 | 点源 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔beginning〕His views come from his own humble beginnings.他的观点源于他卑微的出身。柯林斯高阶〔nonpoint〕Not found or located at a single, definable point, as pollution whose source cannot be ascertained.非点源污染的：无法找到或定位于一个单一的可确定点以判断污染源美国传统〔point source〕A source, especially of pollution or radiation, occupying a very small area and having a concentrated output.点源：占据很小的区域并具有集中输出的源，尤批污染或辐射的美国传统〔pragmatic〕His pragmatic view of public education comes from years of working in city schools.他对公共教育的务实观点源于他在市立学校多年的工作经历。韦氏高阶 |
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