1.according to 通过
例句:They both played the game according to the rules.
他们俩都依章行事。
2.oil well 油井
例句:Deliverability and water intake capacity of oil well are very low.
油井产油能力和吸水能力都非常低。
3.work out 起作用；算出
例句:Things just didn't work out as planned.
事情根本没有按计划进行。
4.at a time 一次；每次
例句:Can I borrow two books at a time?
我可以一次借两本书吗？
