1、How can scientists detect a particle that interacts so infrequently with other matter?
科學(xué)家們是如何探測(cè)到一種很少與其他物質(zhì)相互起作用的粒子的呢？

2、Differential diagnosis of the disease is not infrequently difficult.
這種病的鑒別診斷往往很難。

3、Those estimates are right so infrequently that they're not worth the trouble.
這類估算很少是正確的，以致于得不償失。

4、And check it as infrequently as your job permits, hopefully once or twice a day.
并且以你工作所允許的最低頻率檢查郵件，希望是每天一或兩次。

5、Reply magnets are the opposite of answer people - they post infrequently and everyone answers.
這種類型的人正好是回答別人的一個(gè)方面。他們不斷地發(fā)布話題或者帖子，而其他人會(huì)給與回復(fù)。

6、Not infrequently does the septuagenarian go abroad.
那個(gè)年逾古稀的老翁經(jīng)常出國(guó)。

7、The data changes infrequently relative to the request volume.
數(shù)據(jù)不經(jīng)常地相對(duì)于請(qǐng)求容量發(fā)生變化。

8、This is a problem not infrequently encountered by postdocs.
這是一個(gè)博士后學(xué)生經(jīng)常遇到的問題。

9、Not infrequently does the septuagenarian walk over distance to Daming Lake Park.
那位年逾古稀的老翁經(jīng)常從很遠(yuǎn)的地方步行去大明湖公園。

10、Even a review as infrequently as annually will do the trick, I believe.
我相信，即使是每年審視一次也是有用的。

infrequently翻譯