downtrend什么意思解释？

The increase slowed to 0.4 percent, possibly indicating the start of a downtrend.增长幅度降到了0.4%，可能意味着下降的开始。The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.随著施氮量增加,追施氮肥的利用率明显下降.Cri...

downtrend的音标：downtrend的英式发音音标为：['daʊntrend]downtrend的美式发音音标为：['daʊnˌtrɛnd]...