1. I am afraid to go out in the sun now because of the holes in the ozone. I am afraid to breathe the air because I don't know what chemicals are in it. 我现在害怕晒太阳，因为臭氧层出现了空洞。我现在害怕呼吸空气，因为我不知道那里有多少化学物质。
3. vi. 流通，循环，传播
4. The survey by the Public Religion Research Institute in partnership with the Religion News Service found political and religious disagreement on what is behind severe weather, which this year has included extreme heat and drought.