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fill up with petrol
I need to fill up with petrol before the trip.
出发前我需要加满汽油。
汽油
先理解核心含义，再看它在真实句子里的用法。
汽油
a liquid fuel obtained from petroleum, used mainly in internal-combustion engines
I need to fill up with petrol before the trip.
出发前我需要加满汽油。
汽油；[经] 汽油
n a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
We ran out of petrol on the motorway and had to call for help.
我们在高速公路上没油了，只好打电话求助。
The price of petrol has gone up again this month.
这个月汽油价格又上涨了。
My brother works at a petrol station near our school.
我哥哥在我们学校附近的加油站工作。
I need to fill up with petrol before the trip.
出发前我需要加满汽油。
You can buy snacks at a petrol station.
你可以在加油站买零食。
This car runs on petrol.
这辆车使用汽油。
Not this
I need to buy some gas for my car.
Use this
I need to buy some petrol for my car.
在英式英语中，汽车燃料是 petrol，而 gas 是美式英语用法。中国学习者容易混淆英美词汇。
Not this
There is a petrol on the floor.
Use this
There is petrol on the floor.
petrol 是不可数名词，不能与不定冠词 a 连用。应直接使用 petrol 表示汽油。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
加油站
I need to stop at a petrol station to fill up the tank.
我需要去加油站加满油箱。
汽油发动机
Cars with petrol engines are becoming less common.
使用汽油发动机的汽车越来越少见。
汽油泵
The price on the petrol pump has gone up again.
汽油泵上的价格又涨了。
无铅汽油
Most modern cars run on unleaded petrol.
大多数现代汽车使用无铅汽油。
油箱
He accidentally punctured the petrol tank.
他意外地刺穿了油箱。
汽油用完了
We ran out of petrol on the highway.
我们在高速公路上把汽油用完了。
火上浇油
His angry words only poured petrol on the fire.
他愤怒的话语无异于火上浇油。
汽车迷
My brother is a petrol head; he spends all his money on car modifications.
我哥哥是个汽车迷，他把所有的钱都花在汽车改装上。
Use petrol naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Petrol = pet (宠物) + roll (滚动)，给车加汽油让它滚动起来。
register: neutral; typical contexts: petrol station, fueling car, automotive contexts; note_zh: 通常用于英式英语指汽油，中性语境，常见于日常交通话题。
No common words share the exact rhyme of 'petrol' (/ˈpetrəl/). Words like 'petal', 'metal', and 'pedal' have the same stressed vowel /e/ but end in /tl/ rather than /rəl/. 'Patrol', 'control', and 'trolley' share the spelling chunk '-trol', but their pronunciations differ: 'patrol' and 'control' have a long /oʊ/ and stress on the second syllable, while 'trolley' has /ɑ/ and first-syllable stress.
Dictionary facts from ECDICT, WIKTIONARY.