The heptane compound has a primary purpose as a plasticizer for doublebase propellant systems.化合物庚烷的主要用途是作为双基推进剂的增塑剂.However, it is difficult to produce multi branched i heptane and restrain its cracking.正庚烷异构化的难点在于高选择性地...

oral的近义词/同义词有：verbal, vocalized, voiced, uttered, said, spoken, sounded, articulated, verbal, said, spoken, voiced, vocal。adj.oral的近义词（口头的）：verbal, vocalized, voiced, uttered, said, spoken, sounded, articulated。oral的近义词（...

remain的反义词有：perish, migrate, wander, go, quit, perish。vi.remain的反义词（剩下;继续存在）：perish。remain的反义词（其他释义）：migrate, wander, go, quit, perish。...

Jack fagged away at his math.杰克专心费力做数学.Ecole nationale sup é rieure d'informatique et de math é matiques appliqu é es de Grenoble.格勒诺布尔国立高等电工工程师学校.Then one morning we were working math problems at the chalkboard.后来有...

Ascaridoidea的音标：...

servant的反义词有：master, master。n.servant的反义词（仆人,雇工）：master。servant的反义词（其他释义）：master。...

Brisbane的音标：Brisbane的英式发音音标为：['brɪzbən]Brisbane的美式发音音标为：['brɪzbən]...

narcotic的音标：narcotic的英式发音音标为：[nɑ:'kɒtɪk]narcotic的美式发音音标为：[nɑr'kɑ'kɒtɪk]...

Detailed analysis of the power supply and working principle of topographies.详细分析了电源的拓朴图及工作原理....

subtract的近义词/同义词有：deduct, take, withdraw, away, remove, discount, deduct, lessen, discount, take, remove, away, withdraw。vt.subtract的近义词（减去;扣除）：deduct, take, withdraw, away, remove, discount。subtract的近义词（其他释义）：deduct, le...

says的音标：says的英式发音音标为：[sez]says的美式发音音标为：[sez]...

v.来( come的过去式 )，到达，达到（认识、理解或相信的程度），出生...

The barometer marked a continuing fall in atmospheric pressure.气压表表明气压在继续下降.The arrow on the barometer was pointing to'stormy ".气压计上的箭头指向 “ 有暴风雨 ”.The barometer is falling.气压正在下降....

Where have you been foraging recently?近来你在哪儿打家劫舍来着?The campers went foraging for wood to make a fire.露营者去搜寻柴木点火.We disturbed a wild boar that had been foraging by the roadside.我们惊动了一只一直在路边觅食的野猪。We disturbed a wild boar t...

dancer的音标：dancer的英式发音音标为：['dɑ:nsə(r)]dancer的美式发音音标为：['dænsə(r)]...

necklace的近义词/同义词有：choker, riviere, necklet, pearls, locket, strand, collar, pendant, beads, torque, chain, chaplet, lavalier, wampum。n.necklace的近义词（项圈,项链,下垂物,垂饰）：choker, riviere, necklet, pearls, locket, strand, collar, ...

mahaleb的音标：mahaleb的英式发音音标为：['mɑ:həleb]mahaleb的美式发音音标为：['mɑhəleb]...

Birds are abundant in the tall vegetation.高大的植被中有着大量的鸟类。Fish are abundant in the lake.湖里鱼很多。Mosquitoes are extremely abundant in this dark wet place.这个阴暗潮湿的地方蚊子非常多....

rank的复数形式为：ranks...

sociable的反义词有：unsociable。adj.sociable的反义词（爱交际的;易亲近的）：unsociable。...

The man with the umbrella turned the corner again.拿伞的人又拐进了拐角处。She opens her umbrella, and walks up River Street.她撑开伞，沿着河街向前走。Does coincidence come under the umbrella of the paranormal?巧合属于超自然现象吗？...

adj.高泛色的...

异万年青皂苷元...

Scram! I don't want you here.滚！不要待在我这儿。I told him to scram.我叫他走开.Scram, you're not wanted.走开吧, 不要你!...

异质晶体，异种晶体...

metapodalia的音标：metapodalia的英式发音音标为：[metəpɒ'deɪlɪə]metapodalia的美式发音音标为：[metəpɒ'deɪlɪr]...

cyanide的一般过去时为：cyanided...

Easter的复数形式为：Easters...

eliminate的现在进行时为：eliminating...

Such attitudes are valueless unless they reflect inner cognition and certainty.这种态度如果不能反映内心的认知和把握就毫无价值。Her return to the team now seems a certainty.她的归队现在似乎已成定局。I know for a certainty that the company has been bought up....