Phenols and anilides can be nitrated with very dilute nitric acid.酚类和酰基苯胺能被极稀的硝酸硝化.Aquatint: It is an etching process on copper or steel by means of nitric acid.水彩色调: 用硝酸在钢片或铜片上作腐蚀的蚀刻法.Aliphatic hydrocarbons can be nitra...

n.一笔，一画，绘画的技巧( brushstroke的名词复数 )...

straight的近义词/同义词有：upright, honest, frank, open, sincere, square, unswerving, direct, through, upright, factual, square, direct, aboveboard, unswerving, honest, straightforward, single, sincere, directly, erect, open, fra...

镇流管...

v.委托，托付( entrust的第三人称单数 )...

strengthen的第三人称单数（三单）为：strengthens...

transect的一般过去时为：transected...

As they started up again, the horse broke into a brisk trot.当他们又重新骑上马时，马突然轻快地小跑起来。She lost five games on the trot.她接连输了5场比赛。They passed me at a trot.他们从我身边快步走过....

Our rows become unhealthy in the extreme.我们的争吵变得极其有害。His voice was scornful in the extreme.他的声音听起来极端地轻蔑.He has been generous in the extreme.他极其慷慨....

You used all the ice cubes and didn't put the ice trays back...你把所有的冰块都用完了，又不把冰格放回去。Silver Plated Tableware and Giftware, Trays, Keychains, Trophies, Wedding Favours Trophies and Souvenir Mementoes.采购产品镀银餐具及礼品, 托盘, ...

n.电流测定...

Entrainer enhancing technology can significantly improve the solanesol separation efficiency of supercritical CO _ 2 extraction.夹带剂强化技术可显著提高超临界CO_2萃取茄尼醇的萃取效率....

construe的音标：construe的英式发音音标为：[kən'stru:]construe的美式发音音标为：[kən'stru]...

lotrite的音标：lotrite的英式发音音标为：['ləʊtraɪt]lotrite的美式发音音标为：['loʊtraɪt]...

intravenation的音标：intravenation的英式发音音标为：[ɪntrəvə'neɪʃn]intravenation的美式发音音标为：[ɪntrəvə'neɪʃn]...

牛角瓜甙，卡罗托甙...

triple的音标：triple的英式发音音标为：['trɪpl]triple的美式发音音标为：['trɪpəl]...

introduction的音标：introduction的英式发音音标为：[ˌɪntrə'dʌkʃn]introduction的美式发音音标为：[ˌɪntrə'dʌkʃən]...

keep under control的音标：...

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

adv.收敛性地，压缩地...

electrocuted的音标：...

This wet area also attracts frogs, toads and newts.这片潮湿地区也吸引了青蛙、蟾蜍和蝾螈一类的生物。Even here a red Lamborghini Diablo sports car attracts covetous stares.即便在这儿，兰博基尼的红色迪亚博罗跑车也会招来垂涎的目光。Anything with strong gravity attracts other t...

citronetin的音标：citronetin的英式发音音标为：[sɪtrəʊn'tɪn]citronetin的美式发音音标为：[sɪtroʊn'tɪn]...

strongholds的音标：...

Sitting on the floor, spread your legs as far as they will go without overstretching.坐在地板上，在不要拉伤的前提下将双腿尽量分开。...

introflexion的音标：introflexion的英式发音音标为：[ɪntrə'flekʃən]introflexion的美式发音音标为：[ɪntrə'flekʃən]...

macrogeochemistry的音标：macrogeochemistry的英式发音音标为：[mækrədʒi:əʊ'kemɪstrɪ]macrogeochemistry的美式发音音标为：[mækrədʒioʊ'kemɪstrɪ]...

Kantrax的音标：Kantrax的英式发音音标为：['kæntræks]Kantrax的美式发音音标为：['kæntræks]...

vt.用…作交换（traffic的过去式与过去分词形式）...