unavailing的意思？

Efforts to reach the people named in the report proved unavailing.联系过报告中所提到的那些人，但都徒劳无功。Their efforts were unavailing.他们的努力都付诸东流。Hurstwood heard the details of the weary and unavailing search that evening.那天晚上,赫斯渥听到了这次劳而无...

unavailing的音标：unavailing的英式发音音标为：[ˌʌnə'veɪlɪŋ]unavailing的美式发音音标为：[ˌʌnə'velɪŋ]...

“有限”的拼音为：yǒu xiàn...

“肉饼”的英语可以翻译为：meat pie，bakemeat，cutlet，patty ...

下列两题说明一种一般的方法,称为对分法.Next two problems illustrates a general method called a bisection argument.在你的命盘中,金星跟天王星之间形成对分相.There is an opposition formed between Venus and Uranus in your chart.巨型花丝是来自于对分形算法的研究.This blownfiligree...

hulsite的音标：hulsite的英式发音音标为：['hʌlsaɪt]hulsite的美式发音音标为：['hʌlsaɪt]...

deft的近义词/同义词有：nimble, adept, dexterous, proficient, expert, adroit, apt, clever, handy, ingenious, skillful, proficient, finished, understanding, handy, gifted, capable, accomplished, facile, ingenious, nimble, adept, cl...

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“即使”的拼音为：jí shǐ...

leper的复数形式为：lepers...

clianthus的音标：clianthus的英式发音音标为：[klaɪ'ænθəs]clianthus的美式发音音标为：[klaɪ'ænθəs]...

v.开锁( unlock的过去式和过去分词 )，开启，揭开，开着，解开...

凸边铆钉. 与其他铆钉端点结合使用.Collar head rivet. Use in conjunction with other rivet ends.逆时针 旋开调节钮使外面带有凸边的环松动.Release the outer knurled ring by rotating the clamping screw anti - clockwise ....

Their instruments can detect the slightest vibration.他们的仪器能探测出极微弱的震动。Vibration sensation testing over the medial malleolus.振动对内踝感觉测试.A method of measuring vibration isolator's shock characteristics is advanced.提出了一种...

总统的话在提高全国人民的信心方面收效甚大.The president's statement went a long way towards reassuring the nation.再说, 我们怎么知道CP21对每个人都能收效?Now, how do we know that CP 21 will work for everyone?收效与所付努力不相适应.The results are not in proportion...

v.（液体）沸腾( seethe的过去式和过去分词 )，激动，大怒，强压怒火，生闷气(~with sth|~ at sth)...

shopping centre的复数形式为：shopping centres...