There have been air drops by the Americans, the Turks in the Iraqis of food.

美国、土耳其和伊拉克实施了空投食物的援助行动。

In one program, national park employees used helicopters to air drop thousands of kilos of carrots and sweet potatoes to brush-tailed rock wallabies in New South Wales.

在一个项目中，国家公园的工作人员利用直升机空投了数千公斤的胡萝卜和红薯给新南威尔士州的岩沙袋鼠。

In one program, national park employees used helicopters to air drop thousands of kilos of carrots and sweet potatoes to brush-tailed rock wallabies in New South Wales (NSW).

在一个项目中，国家公园的工作人员用直升机空投了数千公斤的胡萝卜和红薯给新南威尔士州的沙袋鼠。

Bromine — which does a better job of eating ozone but exists at lower levels in the air — dropped 14.5 percent since reaching a high point in 1999.

溴对臭氧层的破环作用更大，但溴在空气中的含量较低，自 1999 年达到峰值以来下降了 14。5%。

Bromine – which does a better job of eating ozone but exists at lower levels in the air – dropped 14.5 percent since reaching a high point in 1999.

溴对臭氧层的破环作用更大，但溴在空气中的含量较低，自1999年达到峰值以来下降了14。5%。

Chlorine levels are down 11.5% since they peaked in 1993, and bromine is at lower levels in the air, dropping 14.5 percent since its 1999 peak, the report said.

报告表示，其中氯的大气含量相比 1993 年的峰值下降了 11.5%，溴在大气中的水平比较低，含量较 1999 年的峰值下降了 14.5%。