One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一時間我們還在山頂上行走，而現在30公尺開外的地方我們都看不清了。
高三英語課文 Unit 23 The find of the century

?? 句中詞匯解析

從本句中提取的重要詞匯

moment ['mom?nt] 詞頻1 詞根: 移動
n. 瞬間，片刻;時刻;重要，緊要;[物]力矩;
?? mom(move)+ent(名詞后綴)→瞬間；片刻；重要
"The moment the clown appeared on stage, the audience folded up."
小丑一出現在舞臺上, 觀眾們個個笑得前俯后仰.
近義：instant, tick, time, while, bit, flash 反義：immortality, perdurability, perenniality, perpetuity, deathlessness, afterlife
ahead [?'h?d] 詞頻1 詞根: a
adv. 在（某人或某事物的）前面;向前;預先;在將來，為未來;
?? a在…，…的+head頭→在前地
"Ahead of them was a gaping abyss."
他們前面是一個巨大的深淵。
近義：on, onward, thereinafter, before, along, forward 反義：back, fro
thirty ['θ?ti] 詞頻1
n. 三十;三十個;三十年代;三十的記號; adj. 三十的，三十個的; num. 三十;三十個;
?? thir=three三+ty十 → 三十
"There are thirty people in the classroom, counting the teacher."
把老師算上,教室里有30個人.
hill [h?l] 詞頻1 詞根: /hi:/
n. 小山，山岡;斜坡; v. 把…堆成小山;培土于…周圍;
?? 長頸鹿(h)生病(ill)后到 小山上修養
"climbers and hill walkers"
登山者和山地徒步旅行者
近義：heap, pile, rick, stack, reinforce, underpin
walking [['w?:ki?]]
n. 步行, 步態\\na. 步行的, 步行用的
近義：pace, walk, gait, pacing, pedestrian, errant 反義：seated, sitting

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