placenta的音标：placenta的英式发音音标为：[plə'sentə]placenta的美式发音音标为：[plə'sɛntə]...

Macrocypracea的音标：...

n.支持，支持者，背衬，（独唱或独奏的）伴奏v.（使）后退，（使）倒退( back的现在分词)，支持，作…的衬里，（用证据或理论来）证实（一种理论或主张）...

n.恶鬼，恶人...

macroscopical的音标：macroscopical的英式发音音标为：[mækrəʊ'skɒpɪkl]macroscopical的美式发音音标为：[mækroʊ'skɒpɪkl]...

n.半乳甘露聚糖...

face的反义词有：back, avoid, back。n.face的反义词（表面;前面;正面）：back。face的反义词（其他释义）：avoid, back。...

impactor的音标：impactor的英式发音音标为：['ɪmpæktə]impactor的美式发音音标为：['ɪmpæktə]...

logomachies的音标：...

New blackboards have been fitted up in all the classrooms.教室里都安装上了新黑板.How many blackboards are there in this room?在这个房间里有几块黑板?Some cleaned the blackboards, others mopped the floor.有些人擦黑板, 有些人拖地板....

Amazingly little is known about human lactation, or nursing.对人类哺育婴儿或哺乳所知甚少.Lactation is the final phase of the reproductive cycle of mammals.泌乳是哺乳动物繁殖周期的最后阶段.Lactation is suppressed by administration of androgens.用雄激素制止泌...

bivouacking的音标：bivouacking的英式发音音标为：['bɪvu:ˌækɪŋ]bivouacking的美式发音音标为：['bɪvuˌækɪŋ]...

v.噼啪响( clack的现在分词 )...

Take back what you said about Jeremy!收回你说的关于杰里米的话。Shops are often reluctant to take back unsatisfactory goods.商店一般都不愿收回顾客不称心的货物.Even four horses cannot take back what one has said.一言既出,驷马难追....

laccolith的音标：laccolith的英式发音音标为：['lækəlɪθ]laccolith的美式发音音标为：['lækəˌlɪθ]...

adj.带…腔调的；带…口音的...

The tragedy is developed form the bacchanal doxology as one part of the fete ceremony of Dionysus.悲剧作为狄俄尼索斯祭祀仪式的一部分，是由酒神颂歌发展而来的。His eye was alight, his color coppery, his air swagger, devil - may - care, bacchanal.他的眼睛发亮...

ransack的音标：ransack的英式发音音标为：['rænsæk]ransack的美式发音音标为：['rænˌsæk]...

satisfactory的比较级为：more satisfactory...

bleachers的音标：bleachers的英式发音音标为：['bli:tʃəz]bleachers的美式发音音标为：['blitʃərz]...

account的近义词/同义词有：record, list, reason, story, tale, report, information, description, statement, journal, list, story, reason, audit, appraise, menu, sum, tale, invoice, saga, log, explication, entry, commentary, importa...

bachelor的复数形式为：bachelors...

macular的音标：macular的英式发音音标为：['mækjʊlə]macular的美式发音音标为：['mækjʊlə]...

backwater的复数形式为：backwaters...

n.节肢动物学...

abbacy的复数形式为：abbacies...

异射海绵目...

adj.碳的，碳质的，含碳的...

adj.抗酸的...

backup的音标：backup的英式发音音标为：['bækʌp]backup的美式发音音标为：['bækˌʌp]...