Objective To study the mosquito larvae management strategy in Shanghai City stream river and the effect, long-lasting activity of abate granules against mosquito larvae.

目的探讨城镇市河流动水中蚊幼的防制对策，观察双硫磷颗粒剂的灭蚊效果和持效期。

youdao

When the snow melted that spring, every stream became an angry river that raced down the mountains tearing up trees and bringing destruction.

VOA: special.2009.06.06

Sabrina The Lady is only rescued once the attendant spirit -- calls on the nymph Sabrina, the genius loci -- the natural spirit of the Severn stream, which is the river that separates England from Wales.

只有随从号召美丽的少女,和一个天才的场所-,它是赛文河流的自然精神，是分割英格兰和威尔士的河流。

耶鲁公开课 - 弥尔顿课程节选

The simple mechanical pump draws water from a shallow well or nearby stream or river for use in irrigation.

VOA: standard.2009.12.18

East of the River Adur, the downs run in three long plateaux, separated by stream and river valleys.

BBC: England��s ghostly South Downs Way

Dip billycan into stream or river.

NEWYORKER: Diary of an Interesting Year

The young eels, called glass eels when they are at sea, are then carried by the Gulf Stream and reach river systems across Europe.

BBC: River ladders give eels a leg up