爱在雾霾天：北京情侣戴防毒面具拍婚纱照_BEC初级作文

爱在雾霾天：北京情侣戴防毒面具拍婚纱照

It has been predicted that if enough nuclear bombs were detonated, so many particles would be thrown into the air that the sun could be blocked out enough to alter the weather and damage the food supply.

有预测说如果核弹爆炸，大量微粒将漂浮在空气中，继而阻挡阳光、影响天气、破坏食物供给。

Dongxian has said that process is now underway in Beijing and six northern provinces.

何教授说北京以及其他北方六省正在经历类似这样的变化。

She warned that the toxic smog is hindering photosynthesis of plants and that if it lingers much longer, it could affect food production, according to The Guardian.

据《卫报》报道，何东先教授还提出警示：有毒雾霾会阻碍植物光合作用，如果逗留时间过长，雾霾还会影响到食物生产。

Pollution has been so severe that aircraft have been grounded, roads closed and tourists numbers hit, while the direct danger posed to human health was underlined by the World Health Organisation, whose readings in Beijing on Tuesday had alarming results.

严重的雾霾导致飞机停飞、公路封闭、游客减少。世界卫生组织强调了雾霾对人体健康的直接危害，因为上周二其在北京的测量指数十分堪忧。

It was reported that the level of PM 2.5 particles, a key measure of pollution because they are small enough to be assimilated into the blood stream, reached 505 micrograms per cubic metre, far higher than the maximum level it considers to be safe, which is 25.