It passes through the N atom and through the center of the equilateral triangle.它通过N原子及三个H原子组成的等边三角形的中心.Use your protractor to construct an equilateral triangle.用量角器作一个等边三角形。An equilateral triangle cannot be dissected in...
The concessions did little to placate the students.让步根本未能平息学生的愤怒。He never attempts to placate his enemy.他从不企图与敌人和解.He smiled, trying to placate me.他微笑着，想要安抚我。...