第1个回答 2006-12-18
最常用的是 regular (adj.)/regularly(adv.)/regularity(n.)
她定期前来为我们照看婴儿。
She regularly baby-sits for us.
他们定期会面。
They meet with great regularity.
所有汽车都需要定期检修.
All cars require servicing regularly.
职音乐教师定期到校授课.
Peripatetic music teachers visit the school regularly.
内阁定期开会.
The Cabinet meets regularly.