occasional cause
[法] 偶因
occasional dearler's licence
[法] 临时商贩执照
occasional host
[医] 偶然宿主
occasional income
[经] 临时收益(所得)
occasional offender
[法] 偶犯
occasional parasite
[医] 偶然寄生物
occasional parasitism
[医] 偶然寄生
occasional regeneration
[医] 偶然再生
occasional table
n. 临时茶几
occasional trade
[经] 临时交易, 临时商业
occasionalism
n. 偶因论
occasionalist
n. 偶因论者
occasionality
n. 偶然性, 非经常性
occasionally
adv. 有时候, 偶而