n.选任的( elective的名词复数 )，有选举权的，（课程）选修的，（可选择的）可选择的...

At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.The Y chromosome is starting to yield other intriguing tales as well.Y染...

easy的反义词有：careful, hard, anxious, uneasy, difficult, tough, awkward, difficult, worried, careful, uneasy, anxious, abstruse。adj.easy的反义词（安逸的;容易的）：careful, hard, anxious, uneasy, difficult。easy的反义词（其他释义）：tough, awkward, d...

adj.无一定构造形式的...

skill的音标：skill的英式发音音标为：[skɪl]skill的美式发音音标为：[skɪl]...

discourage的反义词有：encourage, help, support, hearten, nerve, encourage。vt.discourage的反义词（使泄气）：encourage。discourage的反义词（其他释义）：help, support, hearten, nerve, encourage。...

hardship的近义词/同义词有：and, rigor, toil, trouble, difficulty, downs, ups, mishap, and, weight, deprivation, downs, trouble, grief, ups, adversity, misfortune, tragedy, trial。n.hardship的近义词（艰难,困苦）：and, rigor, toil, trouble, di...

desire的近义词/同义词有：crave, covet, lust, want, wish, fancy, yearn, greed, anxiety, itch, fancy, passion, hope, weakness, prefer, thirst, ambition, lust, preference, want, wish, necessity, please, option, will, hunger, yearnin...

n.足迹( trail的名词复数 )，臭迹，小径，一缕v.（使某物）被拖在后面( trail的第三人称单数 )，跟踪，追踪，（在比赛等中）输，（尤指跟在他人后面）疲惫地走...

satisfy的近义词/同义词有：please, assure, appease, gratify, convince, content, suit, persuade, benefit, comfort, relieve, fulfill, comfort, gratify, humor, assure, persuade, convince, please, benefit, appease, pleasure, suit, ful...

presume的反义词有：prove。vt.presume的反义词（假定;假设）：prove。...

asymmetric的反义词有：symmetric。adj.asymmetric的反义词（不对称的）：symmetric。...

assure的近义词/同义词有：guarantee, convince, promise, pledge, make, certain, guarantee, comfort, insure, pledge, convince, ensure, vow, testify, satisfy, vouch。vt.assure的近义词（担保;使确信;确保）：guarantee, convince, promise, pledge, make,...

spend的反义词有：earn, save, earn。vt. & vi.spend的反义词（花）：earn, save。spend的反义词（其他释义）：earn。...

distress的反义词有：comfort, consolation, relief, solace, relief, solace, consolation, comfort。n.distress的反义词（忧伤;贫困;危难）：comfort, consolation, relief, solace。distress的反义词（其他释义）：relief, solace, consolation, comfort。...

aspergillar的音标：aspergillar的英式发音音标为：[æspədʒɪ'lɑ:]aspergillar的美式发音音标为：[æspədʒɪ'lɑ]...

amusement park的音标：amusement park的英式发音音标为：[ˌə'mju:zmənt pɑ:k]amusement park的美式发音音标为：[ə'mjuzmənt pɑrk]...

disciple的近义词/同义词有：convert, follower, believer, adherent, believer, fanatic, convert, helper, satellite, nut, follower。n.disciple的近义词（信徒;弟子）：convert, follower, believer, adherent。disciple的近义词（其他释义）：believer, fanatic, conv...

set的近义词/同义词有：adjust, fix, place, regulate, position, arrange, variety, install, regulate, position, accustomed, circle, bunch, series, fixed, coagulate, selection, clique, battery, tide, destine, scenery, define, chronic...

adj.大的，重的，大块的，大量的，魁伟的，结实的，大规模的...

adv.向东南方；朝东南，位于…的东南方；在…的东南n.（地方、国家或地区的）东南部adj.东南部的；东南方的，（风）来自东南方的...

irrecusable的音标：irrecusable的英式发音音标为：[ˌɪrɪ'kju:zəbl]irrecusable的美式发音音标为：[ˌɪrɪ'kjuzəbəl]...

n.租贷人( leaseholder的名词复数 )...

surround的近义词有：enclose, encircle, envelop, fence, surround。下面这些动词均有"包围"的含义：enclose：指把某物四周围住或封闭起来，使之与外界隔绝。encircle：侧重在某事物周围围成圈状。envelop：着重指把某个物体完全包起来或整个封起来。fence：通常指用栅栏栏开或围起来。surround：普通用词，既可指环绕、围绕，也可指军事上的包围。 ...

adj.纯的( pure的最高级 )，单纯的，纯真的，干净的...

disciple的复数形式为：disciples...

They show no disposition to improvise or to take risks.他们不愿意临时凑合或冒险。Wearing helmets gave cyclists a false sense of security and encouraged them to take risks.戴头盔给骑自行车的人一种错误的安全感，怂恿他们去冒险。Managers use a full arsenal of moti...

transient的反义词有：permanent, lasting, permanent, perpetual, eternal。adj.transient的反义词（短暂的;易变的）：permanent, lasting。transient的反义词（其他释义）：permanent, perpetual, eternal。...

fascinate的近义词有：attract, charm, enchant, fascinate, tempt。下面这些动词均含有"吸引，引诱"的含义：attract ：普通用词，指客观上吸引人的注意力。charm ：侧重迷住某人或使之高兴。enchant ：着重指有能力引起被迷住者的欢乐或赞美。fascinate ：通常含使人无法拒绝、无法摆脱的意味。tempt ：指吸引力很强，强调欲望被唤醒。...

尿道口镜检查...