This paper reports the synthesis of 2 - heptanone in the functions of absolute potassium fluoride and acetonitrile.报道了在无水氟化钾和乙腈作用下2 - 庚酮的合成....

v.解开…的结( disentangle的第三人称单数 )，理顺，使解脱，使脱出...

n.帮助，援助，〈古〉出席，出席者，辅助设备...

stand的近义词有：situate, lie, stand,stand, bear, endure, tolerate, suffer, abide, withstand,stand, attitude, position。下面这些动词均含"位于"的含义：situate：通常用过去分词作表语，指某城镇、乡村或某物等的地理位置与环境的关系，即在何处。lie：最常用词，不及物，指国家、城镇、道路、湖海等所处的位置。stand：多指建筑物等...

stanch的第三人称单数（三单）为：stanches...

The two part capstan I turned and mounted the lower half.我镟制并安放两组分绞盘的下半部.Capstan imagesetter works such as shown in Figure 2.绞盘式照排机的处事道理如图2所示.Sailors hove up the cable with windlass or capstan.水手们用绞盘或起锚机把缆绳拉起来.Capstan im...

adj.抗火的，耐火的...

instant的音标：instant的英式发音音标为：['ɪnstənt]instant的美式发音音标为：['ɪnstənt]...

tantalize的音标：tantalize的英式发音音标为：['tæntəlaɪz]tantalize的美式发音音标为：['tæntəˌlaɪz]...

collectanea的音标：collectanea的英式发音音标为：[ˌkɒlek'teɪnjə]collectanea的美式发音音标为：[ˌkɒlek'teɪnɪr]...

The tea goes with this tangy lemon tart perfectly.这种茶配上这种香味扑鼻的柠檬塔非常完美。We love its thick , creamy texture and tangy taste.酸奶有柔滑的质地,浓郁的味道.They taste tart and sweet and tangy.尝起来辛辣,甜甜的,浓浓的气味....

tank的复数形式为：tanks...

botanize的第三人称单数（三单）为：botanizes...

Television may actually be distancing the public from the war.电视实际上可能让公众远离战争。Penn, however, stretches this distancing effect out of shape.然而, 潘在里面倾注了深远的、超出了形式之外的影响.This is where distancing becomes so crucial.就在这里,拉开距离变得事...

" Permit me, " he said bending over and disentangling the flounce." 让我来吧, " 他说着,便弯下腰来解裙子上的那条荷叶边.Disentangling all this barbed wire is the devil's own job.理这些带刺的铁丝,真是个苦差事....

v.详细地说，证明( circumstantiate的过去式和过去分词 )...

tangling的音标：...

washstand的音标：washstand的英式发音音标为：['wɒʃstænd]washstand的美式发音音标为：['wɑʃstænd]...

n.[体]战绩，名望( standing的名词复数 )，身份，地位，级别...

metropolitans的音标：metropolitans的英式发音音标为：[metrə'pɒlɪtənz]metropolitans的美式发音音标为：[metrə'pɒlɪtənz]...

irritants的音标：...

adj.容易接受的...

substance的复数形式为：substances...

n.例子，实例，情况，要求，建议，[法]诉讼手续vt.举…为例...

n.刺激，兴奋剂adj.刺激的，兴奋的...

Puritan father的音标：Puritan father的英式发音音标为：['pjʊərɪtn 'fɑ:ðə]Puritan father的美式发音音标为：['pjʊrɪtn 'fɑðɚ]...

n.瓜葛，牵连，纠缠，缠住...

I am not completely at home in any Protestant Church.我在任何一个新教教会都不是特别自在。He abjured the Protestant faith and became King in 1594.他放弃了新教信仰，于1594年登基为王。The Protestant denominations include the Methodists, the Presbyterians an...

air-resistance的音标：air-resistance的英式发音音标为：['eərrɪz'ɪstəns]air-resistance的美式发音音标为：['eərrɪz'ɪstəns]...

instance的现在完成时为：instanced...