groups是什么意思

“eg”是英文单词examplegiven的缩写，中文意思为“举例”。

Thelattertwogroupswereadministeredbydroppingnose.空病毒组和rLent/NT4NAP组通过滴鼻给药方式给予。nap什么意思Remembertoturnoffyourcellphoneand，ifyounapinyourcar，crackopenawindow.记住关掉手机，如果是在车内打盹，开一扇车窗户。

Its also probably a good idea for parents to allow teenagers to study in groups during the evening. （p.22）Zoos are terrible places for animals to live.（p.120）带疑问词的不定式短语动词不定式前面可以带疑问代词what， which， who或疑问副词how， when， where， why等。