air dropping

The most recent data show demand for air freight fell more than three percent globally during July. Perry Flint of the International Air Transport Association, "It can also, as you start to see air cargo dropping off and you are seeing other signs--it can also be a leading indicator of a downturn."

国际航空运输协会的佩里·弗林特说：“当你开始看到空运货物量下降的时候，其他迹象也会显示同样的趋势，也就是说，空运量也可以是个主要指标。”

Air temperature dropping and humidity rising can be measured in the sprinkling zone.

喷灌水滴的蒸发影响了田间小气候的变化，观测到喷灌区域内温度下降、湿度增加。

Meanwhile, United Nations plans to start air dropping food to rural villages are being held up.

与此同时，联合国向乡村空投食物的计划被搁置。

He turned to land on the beach, beating his wings to stop an inch in the air, then dropping lightly to the sand, The other gulls landed too, but not one of them so much as flapped a feather.

他转身准备在海滩上着陆，先挥动两翼，在空中停口片刻，然后轻轻落在沙滩上。其他海鸥也降落下来，但他们中间谁也没有挥动一根羽毛。

The results indicate that each order natural frequency of the blades has a slighter drop in water than in air, whose dropping degree is characterized by the non-linearity.

结果表明，叶片在水中的各阶固有频率较其在空气中均有所降低，且其降低程度具有非线性的特点。

If the atmosphere isn't growing like the land and water are, air pressure would start dropping.

如果大气层不像陆地和海洋那样扩张，那么气压会开始下降。