We retraced our steps to where we started.我们折回我们出发的地方.We retraced our route in an attempt to get back on the right path.我们折返,想回到正确的路上.He retraced his steps to the spot where he'd left the case.他折回到他丢下箱子的地方。...

boatrace的音标：boatrace的英式发音音标为：[bəʊt'reɪs]boatrace的美式发音音标为：[boʊt'reɪs]...

...a demand for a greater choice of effective contraceptive methods...对于更为多样的有效避孕方法的需求It and removed by a hysteroscope and is expected to be aand permanent intratubal contraceptive device.结果表明,输卵管聚乙烯节育栓有望成为经宫颈途径持久的避孕器.Th...

Depression can be traced to holding in anger.抑郁症可以追溯到对愤怒情绪的压抑。Lovelock'sprincipled nonconformity can be traced to his childhood.洛夫洛克自成一套的特立独行可以追溯到他的童年时期。These quotations cannot readily be traced to their sources.这些引...

等密度描绘仪...

retrace的现在完成时为：retraced...

Objective. The extracellular microenvironment directly affects metastatic chordoma cell phenotype in vitro.目的: 细胞外微环境直接影响到体外人转移脊索瘤细胞的表现.The reactions may be extracellular or intracellular.这些反应可以发生在细胞外,也可以发生在细胞内.Extracell...

leave no sort of trace的音标：...

contraceptive的音标：contraceptive的英式发音音标为：[ˌkɒntrə'septɪv]contraceptive的美式发音音标为：[ˌkɑntrə'septɪv]...

isodensitracer的音标：isodensitracer的英式发音音标为：[aɪsɒ'densɪtreɪsər]isodensitracer的美式发音音标为：[aɪsɒ'densɪtreɪsər]...

Most telephone calls are traceable.大多数电话都可查出是从哪里打来的。The probable cause of his death is traceable to an incident in 1724...他的死亡很可能是由 1724 年的一起事件造成的。The present basic course cannot cover all intersexual conditions traceabl...

[计] 回溯...

The reactions may be extracellular or intracellular.这些反应可以发生在细胞外,也可以发生在细胞内.intracellular fluid细胞内流质Potent intracellular bactericidal action may be exerted through the myeloperoxidase - hydrogen peroxide - halide bacteric...

Tracey的音标：...

traces的音标：traces的英式发音音标为：['treɪsɪs]traces的美式发音音标为：['treɪsɪs]...

contraception的音标：contraception的英式发音音标为：[ˌkɒntrə'sepʃn]contraception的美式发音音标为：[ˌkɑntrə'sepʃn]...

be traced to的音标：...

[人名] [英格兰人姓氏] 特雷西住所名称，来源于法国罗马人名Thracius+地点后缀eium，[人名] [爱尔兰姓氏] 特雷西 Treacy的变体...

She turned around and began to retrace her steps towards the house.她转身沿原路向那栋房子走去。You might find your ticket if you retrace your steps back to the car.如果原路折回到车子那里,就有可能寻回你的票.You must retrace your steps [ way ] .你必须 折回 原来 走...

卫矛科...

Teachers inform me that Tracey's behaviour has improved no end.老师们告诉我特雷西的行为大有改善。Tracey put her hands on her hips and sighed.特蕾西双手叉腰叹了口气。Steve got off with Tracey / Steve and Tracey got off ( together ) at Denise...

extracerebellar的音标：extracerebellar的英式发音音标为：['ekstrəsrbelə]extracerebellar的美式发音音标为：['ekstrəsrbelə]...

traceable的音标：traceable的英式发音音标为：['treɪsəbl]traceable的美式发音音标为：['treɪsəbl]...

intracerebellar的音标：intracerebellar的英式发音音标为：[ɪnt'reɪsrbelə]intracerebellar的美式发音音标为：[ɪnt'reɪsrbelə]...

We can try footrace too.我们也可试试竞走.A cross - country footrace of 26 miles, 385 yards ( 41.3 kilometers ).马拉松赛跑一种越野跑步比赛,总长为26英里, 385英尺 ( 41.3公里 )Sports A footrace, usually less than a quarter - mile long, run at top speed f...

追溯到...

We must trace the source of these noxious gases before they asphyxiate us.在我们被这些有毒气体窒息之前,必须查出其来源.There was a trace of exasperation in his voice.他的声音听上去有些愤怒。The lecture will trace the depiction of horses from earliest tim...

irretraceable的音标：irretraceable的英式发音音标为：[ˌɪrɪ'treɪsəbl]irretraceable的美式发音音标为：[ˌɪrɪ'treɪsəbəl]...

n.避孕，节育...

n.晶格之内，晶格内部...