您要查找的是不是：
- High grade petrol is expensive. 高号汽油价格昂贵。
- But distillation does not produce enough high grade petrol to meet today's high demand. 但是，蒸馏不能产生出足够的优质汽油来满足今天的大量需要。
- The use of lead-free petrol is now being phased in. 无铅汽油的应用现正逐步推广。
- But distillation does not produce enough high grade petrol to meet today's high demand 但是，蒸馏不能产生出足够的优质汽油来满足今天的大量需要。
- It is expensive to stay in that hotel. 住那家旅馆很贵。
- Poultry is expensive at this time of year. 一年中的这个时候禽肉很贵。
- This is a gold necklace, hence it is expensive. 这是根金项炼,因此很贵。
- The petrol is running out/We are running out of petrol. 汽油快用光了[我们的汽油快用光了]。
- MEK is a good solvent for high grade coatings. 甲乙酮(MEK)是高档涂料应用的优良溶剂。
- The price of petrol is going up and down like a Yo-Yo. 汽油的价格像悠悠一样忽上忽下。
- The manufacture of these small components is expensive. 制造这些小部件是非常昂贵的。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- I have decided to buy a bicycle, whether it is expensive or not. 我已经决定买一部脚踏车，不论贵不贵。
- The tanker drivers are going slow and as a result petrol is in short supply. 加油车驾驶员故意把车开得很慢，因此就发生汽油供应不足的情况。
- My son is a quick student and always has high grade. 我儿子是个聪明的学生, 总是得高分。
- The price of this gem is expensive -- as much so as astronomical figures. 这个宝石的价格十分昂贵－－简直是个天文数字。
- Petrol is another form of energy. 汽油是另一种能源。
- John's high grade in the test lifted his spirits. 约翰考试得了高分，这提起了他的精神
- The use of lead-free petrol is now being phasedin. 无铅汽油的应用现正逐步推广。
- How much petrol is there in the tank ? 油箱里有多少汽油?
