contract的近义词有：agreement, contract, treaty, convention, bargain, understanding, accord,condense, compress, contract, shrink。下面这些名词均含"协定，协议，契约，合同"的含义：agreement ：普通用词，含义最确定，泛指个人、团体或国家之间取得一致而达成的任何协议、协定或合同、契约等，可以是口头的，也可以是书面的。...

N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....

Total concentration is required with no distractions.要全神贯注，不能有丝毫分神。There are too many distractions here to work properly.这里叫人分心的事太多,使人无法好好工作.I find it hard to work at home because there are too many distractions.我发觉在家里工作...

inact的音标：inact的英式发音音标为：[ɪn'ækt]inact的美式发音音标为：[ɪn'ækt]...

enactment的复数形式为：enactments...

苍术二酮...

disimpaction的音标：disimpaction的英式发音音标为：[dɪ'sɪmpækʃn]disimpaction的美式发音音标为：[dɪ'sɪmpækʃn]...

n.抽象( abstraction的名词复数 )，抽象，抽象概念，抽象化...

苍术炔...

interactive的音标：interactive的英式发音音标为：[ˌɪntər'æktɪv]interactive的美式发音音标为：[ˌɪntɚ'æktɪv]...

unattractive的音标：unattractive的英式发音音标为：[ˌʌnə'træktɪv]unattractive的美式发音音标为：[ˌʌnə'træktɪv]...

actinomorphic的音标：actinomorphic的英式发音音标为：[ˌæktɪnə'mɔ:fɪk]actinomorphic的美式发音音标为：[ˌæktɪnə'mɔfɪk]...

n.灭活剂，钝化剂...

What else could make him behave so out of character?还有什么能让他做出这种如此失常的行为来？Her behaviour last night was quite out of character.她昨晚的举止与她的性格很不相符.Such hypocrisy was not out of character for Karl Marx.这种伪善也属于马克思的品格之一....

腔肠淀粉酶...

practice的现在完成时为：practiced...

activators的音标：activators的英式发音音标为：['æktɪveɪtəz]activators的美式发音音标为：['æktɪveɪtəz]...

n.放线节，放射体节，辐节...

azotobacter的音标：azotobacter的英式发音音标为：[əzəʊtə'bæktə]azotobacter的美式发音音标为：[əzoʊtə'bæktə]...

辐状口...

inexact的近义词/同义词有：inaccurate, unclear, broad, obscure, vague, general, incorrect, indefinite, indefinite, vague, general, unclear, broad, incorrect, fallacious, obscure, inaccurate, loose。adj.inexact的近义词（不明确的;不正确的）：inaccu...

乳酸生成，乳酸形成...

n.乳糖分解酵素...

...

adj.[数]分数的，小数的，微小的，极小的，部分的，少量的，零碎的...

n.放线菌素D,更生霉素（一种抗肿瘤的抗生素）...

He's hoping that if he makes me feel guilty, I'll retract.他指望着如果他能让我感到内疚，我就会收回所说的话。A cat can retract its claws, but a dog can’t.猫的爪子可以缩进去, 但狗不能。A cat can retract its claws, but a dog can't.猫的爪子可以缩进去, 但狗不能....

calefactories的音标：...

actuate的现在进行时为：actuating...

The most economical mechanism for tight shutoff is the impactor handwheel.要做到紧密关闭,最经济的机械装置就是冲击式手轮.The impactor is estimated to be the size of several football fields.估计造成撞击的小天体大概有数个足球场大.Grimlock and Impactor meet Megatro...