chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峽谷還寬的裂縫，起碼有一座山有珠穆朗瑪峰的近兩倍高。
新概念英語第四冊
Lesson 35 Space odyssey
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 峽谷;
?? can-, cann- 【希臘語傳入拉丁語】蘆葦,管;
"The Grand Canyon in the USA is 1900 metres deep."
美國的大峽谷1900米深.
近義：ravine, notch, gap, defile, gorge
n. 山，山岳;山脈;一大堆;大量;
?? mount登上+ain名詞后綴 → 山
"the eastern slopes of the mountain"
東山坡
近義：highlands, hill, mount, sierra, highland, savage
adv. 兩次;兩倍;兩遍;
?? twi二，兩+ce副詞后綴，…次 →二次
"The ball bounced twice before he could reach it."
球彈了兩次他才接到。
近義：doubly, double
adj. 宏大的，宏偉的;（最）重要的;豪華的;
n. 一千美元;大鋼琴;
?? grandfather(祖父)-grand(莊重的)+father(父親) 女孩(gr)和(and) 豪華的大款是朋友
"It's not a very grand house."
這房子并不是十分富麗堂皇。
近義：imposing, junoesque, lavish, magnificent, majestic, majestical
反義：idle, immaterial, inconsequential, inconsiderable, insubstantial, meaningless
adj. 最小的;最少的（ little的最高級）;最不重要的，地位最低的;
adv. 最少，最小;
n. 最小;最少量;
"We need at least 24 hours' notice of cancellation."
如欲取消，請至少提前24小時告知。
近義：lowest, lowliest, measly, merest, minimal, minimum
反義：maximal, meridian, top, upmost, uppermost, greatest