Bleriot set off half an hour later.
半小時后便正式出發了。
新概念英語第三冊
Lesson 20 Pioneer pilots
?? 句中詞匯解析
從本句中提取的重要詞匯
adj. 一半的，半個的;
n. 半;一半;（啤酒等飲料的）半品脫;（比賽、音樂會等的）半場;
adv. 一半;部份地;
"He has sunk half his fortune into a new business undertaking."
他已把一半財產投資于一個新企業.
近義：mid, midway, partially, semi
反義：absolutely, off, outright, perfectly, plumb, positively
n. 小時，鐘頭;時間，時刻;固定時間;課時;
"The traffic in the city is chaotic in the rush hour."
在上下班高峰時間，城市的交通混亂不堪。
近義：time, date
later
['let?]
adv. 較晚地;以后，過后;后來;隨后;
adj. 后來的;以后的;接近末期的;晚年的;
"He was banished to Australia, where he died five years later."
他被流放到澳大利亞，五年后在那里去世。
近義：posterior, subsequent, succeeding, ulterior, farther, following
反義：precedent, prevenient, previous, prior, forefatherly, advance