It is essential for electronic major students to master the course of Circuit Drawing CAD.
对电子类专业学生来讲，掌握电路制图CAD这一课程非常必要。
She is an adept rock-climber and a past master of the obstacle course.
她擅长攀岩，也是障碍超越训练场上的老手。
However, the wisest course is to master them yourself.
但最明智的做法是自己掌握它们。
With the guidance of Master Cae Hiew of course.
在丘老师的引导下。
With the guidance of Master Cae Hiew of course.
在丘老师的引导下。
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