crestfallen的音标：crestfallen的英式发音音标为：['krestfɔ:lən]crestfallen的美式发音音标为：['krɛstˌfɔlən]...

叠层...

challenge的一般过去时为：challenged...

If we had been careful such a calamity would not have befallen us.假如我们谨慎的话,这种灾难不会降临到我们的头上.They supposed that some calamity had befallen the Governor.他们心想这位先生一定遇到了什么无妄之灾.An accident has befallen him.一件不测的事已临到他....

adj.沮丧的，垂头丧气的，灰溜溜，丧家之犬...

The secret to happiness is to keep setting yourself new challenges.幸福的秘诀就是要不停地给自己设定新的挑战。Dara challenges our stereotypical ideas about gender and femininity.达拉对我们老一套的性别和女性特质观念提出了异议。Offe also challenges the postulate of an...

chopfallen的音标：chopfallen的英式发音音标为：['tʃɒpˌfɔ:lən]chopfallen的美式发音音标为：['tʃɒpˌfɔlən]...

kentallenite的音标：kentallenite的英式发音音标为：[kentɔ:'lenaɪt]kentallenite的美式发音音标为：[kentɔ'lenaɪt]...

challengers的音标：...

美岛科...

adj.下颚凹陷的，垂头丧气的...

异二氢甘遂醇...

downfallen的音标：downfallen的英式发音音标为：['daʊn'fɔ:lən]downfallen的美式发音音标为：['daʊn'fɔlən]...

美沙雌酸...

We have changed the course to make it more challenging.我们改了课程以使其更具挑战性。He left a note at the scene of the crime, challenging detectives to catch him...他在犯罪现场留了个条儿，向警探挑衅。I'm ready to do all those things which are more...

The fencer who defiantly challenge the whole troops is Zero.那个大胆挑战整个骑兵队的击剑者是苏洛.Germany 's resurgence has set a challenge for the euro zone's southern members .德国的复苏已经挑战了欧元区南部成员。If Darwinian theory works so well...

befallen的音标：befallen的英式发音音标为：[bɪ'fɔ:lən]befallen的美式发音音标为：[bɪ'fɔlən]...

...protons and electrons trapped by magnetic forces in the Van Allen belts.范艾伦辐射带的磁力俘获的质子和电子Blade tools: eyebolt turning tool , Allen key, screw tap, milling cutter, drill bits, etc.刀刃工具类: 埃令螺丝(吊环)、圆车刀 、 六角匙 、 丝攻 、 铣刀 、 ...

challengingly的音标：...

adj.倒了的，没落的，坠落的...

The youth looked exceedingly crestfallen.那青年看上去垂头丧气极了.He gathered himself up and sneaked off, crushed and crestfallen.他爬起来,偷偷地溜了,一副垂头丧气 、 被斗败的样子.The individual to whom the manager had been talking went away quite crestfa...

n.挑战者，夺标者...

callenia的音标：callenia的英式发音音标为：[kɔ:'li:nɪə]callenia的美式发音音标为：[kɔ'linɪr]...

adj.残疾的，有伤的，有缺陷的或缺少的，受到挑战的v.“challenge”的过去式和过去分词...

Allenite的音标：...

fallen的音标：fallen的英式发音音标为：['fɔ:lən]fallen的美式发音音标为：['fɔlən]...

chapfallen的音标：chapfallen的英式发音音标为：['tʃæpˌfɔ:lən]chapfallen的美式发音音标为：['tʃæpˌfɔlən]...