ph.
1. The river has narrowed down over the past 20 years.
这条河在过去的二十年变窄了许多。
2. Their demands had narrowed down to only two points.
他们的要求已减少到只有两点。
1. 缩小范围：但是这帮鸟人不是盖的,他们知道如何缩小范围(narrow down)去找到那种肽. (后面还出了一道选择题我选的是know exactly what to find. i am 100 percent sure.)好了,他们开始试验神经系统的肽(neuropeptide)并发现此酶对人体中的神经肽破坏速度甚快.
2. 缩小或限制范围(使更确切)：much less更不用说;更少;不及 | narrow down缩小或限制范围(使更确切) | not to mention更别提...,更不必说...
3. 变窄：narrow capillary segment 毛细管颈 | narrow down 变窄 | narrow examination 严格的检查
4. 缩小：6. require that sb. (should) do sth. 要求某人应该做某事 | 7. narrow down 缩小 | 8. have no skill at doing 不具备什么的技能
1. Her guesthouse at the end of a narrow path covered by a canopy of vines weighted down with big green gourds.
2. The cascading gaps in performance from the gold medalist all the way down could be as narrow as a nanometer.
3. Foot and mouth disease has spread to a second herd of cattle in southern Britain, as experts narrow down the possible source and step up efforts at containment.
4. narrow down在线翻译
4. The compound sits down a narrow paved road and behind a hill that shields it almost entirely from view in town.
5. TV footage showed wounded people sitting amid the debris as people grabbed at the wreckage, trying to pull out survivors before carrying them down narrow alleys to hospital.
6. Zhu fell down into the narrow but deep well in his yard while trying to connect some wires.
7. Shin expects the trade gap to narrow down as ROK enterprises in China increase sourcing locally.
8. narrow down
8. We had to narrow it down somehow, and even then it was difficult to choose just five.
9. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D
9. Flash cars and shiny people slither on narrow streets that snake up and down and all around the tropical island.
10. Genealogical materials will be also used to narrow down sampling, according to Li.
narrow down
verb
1. narrow down
1. become more focus on an area of activity or field of study
e.g. She specializes in Near Eastern history
Synonym: specialize specialise narrow
2. define clearly
e.g. I cannot narrow down the rules for this game