精品免费国产一区二区三区四区介绍_国产白袜脚足J棉袜在线观看_女人被狂躁c到高潮视频_草草地址线路①屁屁影院成人

中英文對照的油氣常識，很多常見的中英文專業詞匯。

石油和天然氣是儲存在地層中的物質

它們是從分解的動植物殘骸演變而來

科學家們認為石油是這樣形成的：
很久很久以前死亡的動植物被厚厚的沉積物緩慢掩埋。經過很長的時間，在一定的壓力和溫度下，這些有機物轉變成立今天人們發現的石油。
(例如：我們現在知道堆積的垃圾可以產生沼氣) 

Oil and Gas are substances found within the earth’s crust.

They are thought to come from decomposed plant and animal matter.

Scientists believe the plants and animals died long ago, and were slowly buried by thick layers of sediments. Over a long period of time, and with pressure and temperature, the organic materials were converted into the oil and gas which are found today.

(For example, we know that present day garbage dumps give off methane gas)