I started looking at college brochures in 10th grade; took extra courses to finish at the head of my class.
在十年级的时候，我就开始研究那些小册子中的大学录取条件。在我进入大学之前，就学习这些课程。
If you are determined to make the grade in the entrance examination, you must work extra hard.
如果你决心要在入学考试中成功，你必须加倍努力学习。
Yesterday, when I walked my children to school, I had a few extra minutes so I accompanied my daughter to her second grade class.
昨天我把孩子们送到学校后还有些时间于是就陪着女儿送她去二年级。
Then, if the steam grade is to be followed, extra roadway length must be gained on adjacent mountain spurs, in side canyons, or with switchbacks.
然后，如果蒸气的等级将被跟随，在旁的峡谷，或与改变角度，额外的车道长度一定在毗连的山马刺上被得到。
The extra virgin is the highest grade you can find and therefore the most popular, and has an acidity level of less than 1%.
特级轻榨优质橄榄油是你能发现的最高等级的橄榄油，因而最有销路，它具有低于1%的酸度值。
Knowing what teachers expect from grade to grade will help you figure out whether your child might need some extra help and how to work with her teacher to provide it.
了解老师希望孩子在这个年级达到什么水平并给予他们适当的帮助。
This product is made from high-grade imported crystal mud, combining natural rose aromatic essence oil with extra care.
本品选用进口水晶泥，配以天然玫瑰香薰精油精心制作而成。
However, a broad spectrum of special designs are available: super-performance units for extra-stubborn bulk solids, eccentric discharges, food grade designs, dual discharge and low-profile.
设计应用广泛：超额外-散装顽固性固体，偏心排放，食品等级的设计，双放电。
However, a broad spectrum of special designs are available: super-performance units for extra-stubborn bulk solids, eccentric discharges, food grade designs, dual discharge and low-profile.
设计应用广泛：超额外-散装顽固性固体，偏心排放，食品等级的设计，双放电。
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