An explosion at a petrochemical plant in southeastern Mexico has killed 3 people and injured more than 1030.

墨西哥东南部一座石油化工厂发生爆炸，造成3人死亡，超过1030人受伤。

But near the ground, emissions from cars and petrochemical plants form ozone pollution and smog, the unhealthy air condition that affects breathing.

但在接近地面的地方，汽车和石化厂的排放能形成臭氧和烟雾，这种有害气体会影响呼吸。

So has investment in petrochemical plants that turn ethane into plastic.

对将乙烷转化为塑料的石化工厂的投资也是如此。

She's in competition with a great big petrochemical plant which is just down the road, the three-and-a-half-billion-dollar petrochemical plant.

她正在与附近一家价值 35 亿美元的大型石化厂竞争。

The other is synthetic, coming from the roasting of so-called needle coke, a by-product created in some coal-processing and petrochemical plants.

另一种是合成的， 来自所谓的针状焦的焙烧，针状焦是一些煤炭加工和石化工厂产生的副产品。

Although graphite can also be mined, most of it is currently produced in a synthetic form by roasting needle coke, a by-product of some coal-processing and petrochemical plants.

虽然石墨也可以开采，但目前大部分石墨是通过焙烧针状焦（一些煤炭加工厂和石化工厂的副产品）以合成形式生产的。