英语词汇“obstacles”的翻译、意思、用法、释义-英汉双解词典-注文网

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单词	obstacles
释义	obstacles ['ɒbstəklz] n. 障碍（物）( obstacle的复数形式 ); 障碍物; 绊脚石; 障碍栅栏原型: obstacles 是 obstacle 的复数
随便看	three-position three position three-position control three-position controller three position controller three position five-way valve three-position four way directional control valve three position four-way electrohy-draulic valve three position four-way hand change-over valve three position four-way valve three-position four-way valve three position key three-position key three-position modulation three-position polarized relay three position relay three-position relay three-position signal three position signal three-position switch three position switch three-position valve three position valve three position valve (hydraulic) three position valve (pneumatic) 学者工夫，须要极细密；越细密，越广大。穷理须是精义入神，方好。学者当务实。学者当务实，一有近名之心，则大本已失，尚何所学哉？学者当取三多: 读书多，持论多，著述多。三多之中，持论为难。学者当循序而渐进，不可厌末而求本。学者当自树其帜。学者必务知要，知要则能守约，守约则足以尽博学者必志于大道。学者必有师，所以通其业、成就其道德者也学者志不立，一经患难，愈见消沮，所以先要立志。炮位炮兵炮击炮制炮口炮台炮台架炮塔炮声炮子