您要查找的是不是：
- Besides, the experiment center of BARI had accredited by SEPA and EPB of Beijing as a test unit doing trail gas emission test from vehicles. 此外，实验中心还是国家环境保护总局和北京市环境保护局授权的汽车尾气排放检测机构。
- The dogs found the trail of the rabbit. 猎狗发现了兔子的踪迹。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The hounds found the trail of the fox. 猎犬发现了狐狸的踪迹。
- They were chosen to scout the trail. 他们被选去探路。
- They made a trail of protests against the decision. 他们对该项决定提出了一连串抗议。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- A ski trail densely packed with snow. 滑雪道积着一层厚厚的雪的滑雪道
- At break of day the hikers were already on the trail. 黎明时分，那些徒步旅行者已经上路。
- Left a trail of broken promises. 留下一串无用的诺言
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- The lawyer is on the trail of new proof in the case. 律师正在寻找关于案件的新证据。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
- The sheriff ordered the suspicious looking stranger to hit the trail. 警察局长命令样子可疑的陌生人马上走。
- We finally drove up to a gas station. 我们最后驶近一加油站。
