Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-
新概念英语第四册 Lesson 35 Space odyssey

📚 句中词汇解析

从本句中提取的重要词汇

because [bɪ'kɔz] 词频1 词根: be
conj. 因为;
💡 cause, cuse 表原因,目的;司法程序,诉讼
"He was arrested because of his political affiliation."
他因所属政党的关系而被捕。
近义：since, whereas, for, forasmuchas
gravity ['ɡrævəti] 词频3 词根: grav
n. 重力;万有引力，地心引力;重要性，严重性;严肃，庄重;
💡 grav重+ity名词后缀 → 庄重；地心吸力
"Newton's law of gravity"
牛顿万有引力定律
近义：ponderosity, seriousness, circumspection, gravitation, importance, severity 反义：skittishness, superficiality, trifling, triviality, lightness, flippancy
surface ['sɝfɪs] 词频1 词根: fac
n. 表面;外观，外表;地面。水面; vi. 浮出水面;在表面工作;显露; vt. 使浮出水面;使成平面; adj. 表面的，外观的;外表上的，平地上的;肤浅的;
💡 sur超过，在上面+face脸面→表面
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
细菌一进入血液里，就附着在红细胞表面上。
近义：appear, arise, loom, materialize, outcrop, rise
sixth [sɪksθ] 词频1
pron. 第六;第六感觉;特别感应;直觉; n. （英国中学的最高年级）六年级;[乐]六度音程;
💡 six六+th第...\/...分之一 →第六，六分之一
"Sue is in the sixth form now."
休正在读中学最后两年。
moon [mun] 词频1
n. 月亮，月球;卫星;月状物，新月状物; vi. 闲逛;出神;[俚语] 露出屁股以戏弄; vt. 虚度;
"old film footage of the moon landing"
一段登月的老影片
近义：muse, daydream, dream, fantasize

📚 更多「新概念英语第四册」例句

the young man has a glorious future before him and the old one has a splendid future behind him:
青年人有光辉灿烂的前景，而老年人的辉煌已成为过去。
And if, with the decay of vitality, weariness increases,
再者，随着精力的衰退，老年人的疲惫感会增长，
That does not prove that it does not exist;
这并不是证实不存在噪音对健康的影响。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，
It is the ideal condition of the 'equal start' which only our most progressive forms of modern education try to regain.
这就是我们最进步的现代教育试图恢复的“平等起步”的理想状况。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。