Police in riot gear were in attendance as a precautionary measure.
身着防暴服的'警察到场实施预防行动。
Attendance on the course is purely voluntary.
听这门课纯粹是自愿的。
Attendance at my lectures has fallen off considerably.
听我讲课的学生大大减少了。
We figured the attendance at 150 000.
我们估计有15万人参加。
He would have a nurse in constant attendance day and night.
会有一位护士日夜不间断地陪护着他。