certain的反义词有：uncertain, doubtful, doubtful, uncertain。adj.certain的反义词（无疑的;可靠的）：uncertain, doubtful。certain的反义词（其他释义）：doubtful, uncertain。...

v.抑制，克制，戒除( refrain的现在分词 )...

The teacher training college put up a plaque to the college's founder.那所教师培训学院为该学院的创立者立了一块纪念牌匾。You could never eliminate risk, but preparation and training could attenuate it.风险不可能完全消除，但可以通过防范和培训来降低。The emphasis is ...

mainly的近义词/同义词有：the, in, especially, above, predominantly, overall, whole, principally, effectively, particularly, general, all, primorily, on, substantially, mostly, generally, primarily, main, essentially, chiefly, usu...

n.运动，竞选运动，战役，季节性竞赛vi.参加[发起]运动，参加竞选，参战，参加战役，作战...

Varese Ligure is a small town in mountainous country east of Genoa.瓦雷泽古雷是位于热那亚以东山区的一座小城。Nowadays tractors are used even in remote mountainous regions.现在连偏僻的山区也用上了拖拉机.The storm heaved the sea into mountainous weaves.风暴中海面...

n.压力，拉力，张力，拉伤，扭伤，个性特点vt.拉伤，损伤，尽力，竭力，使不堪承受，过滤vi.拉紧，用力拉，尽力，竭力...

available的反义词有：unavailable。adj.available的反义词（可利用的;可得到的）：unavailable。...

train的近义词/同义词有：condition, teach, educate, drill, exercise, groom, foster, discipline, prepare, bring, rear, nurture, direct, cultivate, up, practice, cars, railroad, string, column, file, series, succession, sequence, pr...

gain的近义词/同义词有：acquire, earn, get, obtain, receive, secure, look, pick, make, up, come, along, progress, improve, advance, benefit, advance, up, behalf, plus, benefit, receive, take, blessing, pick, improve, advantage, ac...

contain的近义词/同义词有：hold, enclose, comprise, include, of, involve, consist, control, curb, restrain, confine, include, restrain, comprise, involve, seat, control, embrace, consist, siege, embody, hold, curb, comprehend, cov...

airplane的近义词有：aeroplane, airplane, aircraft, plane, jet, helicopter。下面这些名词均有"飞机"的含义：aeroplane和airplane专指普通飞机，不包括helicopter(直升飞机)。aeroplane为英国英语的拼法。airplane ：为美国英语的用词。aircraft ：常用作集体名词，也可指一架飞机，其含义包括直升飞机和飞艇等。plane ：本义为"平面"...

afraid的反义词有：brave, assured, bold, fearless, confident, brave, bold。adj.afraid的反义词（害怕的;恐怕...的）：brave, assured, bold, fearless, confident。afraid的反义词（其他释义）：brave, bold。...

raise的反义词有：lay, lower, lay, lower, lessen, abate, diminish。vt.raise的反义词（举起;提高;提升）：lay, lower。raise的反义词（其他释义）：lay, lower, lessen, abate, diminish。...

I was going to sand down the chairs and repaint them.我打算用砂纸把椅子打磨光洁后重新上漆。So that we can repaint it.好让我们可以重新粉刷.I suppose you repaint the apartment when someone moves in.我想如果有人搬进来住,你们会把房子重新粉刷一下的....

uncertain的近义词/同义词有：changeable, speculative, insecure, precarious, unsure, doubtful, unpredictable, bewildered, confused, erratic, unsure, adrift, debatable, doubtful, flighty, risky, dispossessed, ambiguous, equivocal, u...

vain的近义词/同义词有：futile, ineffectual, unsuccessful, fruitless, egocentric, conceited, haughty, lofty, self-centered, proud, boastful, egotistical, fruitless, consequential, lofty, futile, smug, boastful, unsuccessful, worth...

bargain的近义词/同义词有：sale, agreement, contract, agree, sale, alliance, operation, contract, traffic, understanding, pact, covenant, intervene, engagement, trade, convention。n.bargain的近义词（买卖,交易）：sale。bargain的近义词（协议）：agreement...

plain的反义词有：intricate, abstruse, showy, fancy, devious, fanciful, lovely, complicated, wonderful, gorgeous, dim, fanciful, complex, complicated, splendid, conspicuous。adj.plain的反义词（清楚的;直率的;简朴的;不漂亮的）：intricate, abstruse, s...

pail的音标：pail的英式发音音标为：[peɪl]pail的美式发音音标为：[pel]...

retail的第三人称单数（三单）为：retails...

wait的音标：wait的英式发音音标为：[weɪt]wait的美式发音音标为：[wet]...

millionaire的近义词/同义词有：man, plutocrat, multimillionare, capitalist, nawab, moneyed, billionaire, wealthy, nabob, rich。n.millionaire的近义词（百万富翁,巨富）：man, plutocrat, multimillionare, capitalist, nawab, moneyed, billionaire, wea...

now and again的音标：now and again的英式发音音标为：[nau ænd ə'ɡen]now and again的美式发音音标为：[naʊ ənd ə'ɡɛn]...

懦弱...

Don't let yourself despair; this will only make matters worse.不要想不开，这样只能使情况变得更糟。I would overcome any weakness, any despair, any fear.我要克服所有的软弱、绝望和恐惧。As his energy drained away, his despair and worry grew.当他的精力耗尽时，他的...

n.叫喊，感叹...

detain的第三人称单数（三单）为：detains...

n.电子邮件vt.给…发电子邮件...

downstairs的反义词有：upstairs。adj.downstairs的反义词（楼下的）：upstairs。...