He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美國(guó)跑了許多地方，了解有關(guān)祖先的情況。
高三英語(yǔ)課文
Unit 14 Roots
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 研究，追究;探討，探測(cè);調(diào)查;探索;
vi. 做研究;探究;（從市場(chǎng)調(diào)研中）得出所預(yù)測(cè)的結(jié)果;
vt. 從事…的研究，為…而做研究;
?? re(again)+search(to go round)→研究；調(diào)查
"Recent research has cast new light on the causes of the disease."
最新研究使人們進(jìn)一步了解了這種疾病的起因.
近義：inquire, investigate, ask, probe, sleuth, study
n. 信息，數(shù)據(jù);通知;消息;知識(shí);
?? in進(jìn)+form形狀+ation名詞后綴→通知的東西→信息
"The information and advice are boiled down to bare essentials."
各種資料與建議縮短為極簡(jiǎn)單的要點(diǎn).
近義：notice, word, communication, info, intelligence, gen
adv. 大約;旋轉(zhuǎn);到處，四處;在周圍;
prep. 圍繞;在附近;前后，左右;在…周圍;
?? 前綴:a 表示加強(qiáng)意義
"He arrived around five o'clock."
他大約是五點(diǎn)鐘到的。
近義：about, approximately, loosely, nearly, roughly, thereabout