occasional
简单释义：
adj. 偶尔的；偶然的；临时的
网络 特殊场合的；非经常的
完整释义：
adj.
1.偶尔;偶然
2.非经常的;偶尔的;必要时的;不定期的,临时的;特殊场合的
3.偶然的,有时候;临时
4.偶见的
5.特殊的
6.个别的
7.引诱的
8.诱发的
例句：
-
But for the estimated 30% of American adults who suffer from at least occasional insomnia, nightfall is no guarantee of slumber.
但是据估计，30%的美国成年人都受到失眠困扰——至少有时候是这样。夜幕降临，未必就带来酣睡。 -
When the crystals do not mesh properly, the occasional atom will jut out where it should not, creating a defect to which a phage can stick.
但晶体之间若无法适当啮合，有些原子可能凸出到它原本不该出现的位置，从而成为可与病毒结合的缺陷处。 -
Volcker, an occasional adviser to President Barack Obama as Chairman of the President's Economic Recovery Advisory Board, said the U.
沃尔克有时候作为白宫经济复苏顾问委员会（EconomicRecoveryAdvisoryBoard）主席为美国总统奥巴马（BarackObama）提供咨询。 -
Just two more months before she has her boy. Aside from the occasional bout of morning sickness, it's been smooth sailing for her so far.
在她生小孩的两个多月前除了偶尔的晨吐外其他一切正常，现在孩子已经顺利出生了。 -
An occasional article or lecture appearance would bring him in a useful few dollars and keep his name before the public, such as it was.
偶尔写篇文章，出去讲演一次，他就可以赚到几文，又可闻达于公众。 -
Life is nothing but the occasional burst of laughter rising above the interminable wail of grief.
生活只是在无尽痛苦哀号中偶尔爆发出的大笑而以，除此无他。 -
began having back pains. An aspiring ballerina who dances en pointe five nights a week, she was used to occasional aches and strains.
作为一个芭蕾舞训练员她每周5个晚上踮着脚尖训练芭蕾舞，渐渐地习惯了偶尔的疼痛和疲劳。 -
We apologize in advance for the occasional mistake, but hope you recognize that this process is in the best interest of Pingo customers.
在此，我们就可能发生的错误向您致以万分的歉意，并希望您能够理解此过程旨在维护Pingo客户的重要利益。
