考试委员的英文：
examiner

sit for an examination; take an examination
参加考试

examine by auscultation
听诊用听诊法检查

The examine is then directed to fix on the examiner's right eye.
接着就叫被检查人注视检查人的右眼。

This examination is a real challenge.
这次考试是一次真正的挑战。

The duration of the examination is three hours.
考试时间为三个小时。