occasional survey临时检验;临时检查;临时检查临时检验
occasional overdraft[金融] 临时透支;临时透支;详细翻译
Occasional readers偶尔读者
occasional a偶然的;咬合;堵塞;不时的
occasional crime机会犯罪
Occasional verse应景诗
occasional lubrication不定时润滑
occasional study临时研究报告
occasional papers不定期论文
ADJ（形容词） Occasional means happening sometimes, but not regularly or often. 偶尔的
I've had occasional mild headaches all my life.
我此生一直有偶尔的轻微头疼。
ADV（副词） occasionally 偶尔地
He still misbehaves occasionally.
他仍偶尔行为不乖。