At twenty he translated Euler's standard work on algebra into English.
20岁时，他把尤勒的权威代数著作译成了英语。
《柯林斯英汉双解大词典》
2
In high-school algebra, you learned that the standard quadratic equation.
在高中代数学里，你学习了标准二次方程序。
3
The main purpose of this paper is to give a standard extension of Malcev algebras, and investigate the relationship on solvability and nilpotency between a Malcev algebra and its extension algebra.