| 单词 | active transport |
| 释义 | active transport (once / 2363863 pages) n WORD FAMILY active transport: active transports USAGE EXAMPLESMuch better is what researchers call active transport: walking and cycling, mainly. Nature(Mar 15, 2016) Big savings are possible from “active transport” – more cycling and walking. The Guardian(Jun 23, 2015) He expects active transport to be much better at transporting small droplets that otherwise would remain on the mesh. The Verge(Dec 08, 2014) n transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy Hyper transport an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes |
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