trace的一般过去时怎么拼写？

vt.跟踪，追踪，追溯，探索，探索，查找vi.沿着一小径或道路前进，可以追溯的n.痕迹，踪迹，微量，极少量，[植]（脉）迹，痕迹...

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...

Brand's keen ear caught the trace of an accent.布兰德敏锐的耳朵听出了口音。Now draw or trace ten dinosaurs in ascending order of size.现在按照体型由小到大的顺序画出或是临摹出10只恐龙。There was a trace of exasperation in his voice.他的声音听上去有些愤怒。...

trace的现在进行时为：tracing...

trace的近义词有：pursue, follow, chase, hunt, trace, track, trail。下面这些动词均含"跟随，追踪"的含义：pursue：指坚持不懈、毫不动摇地紧跟、追赶某人、某物或某个事业。follow：普遍用词，含义最广，多指跟随起引导作用的人或物，跟随的动机可以是善意的，也可能是恶意的。 chase：指快速追赶或决心追踪，褒义贬义均可用。hunt：原义为"追猎、猎取"，现用于指追捕或搜寻逃犯等。t...

trace的第三人称单数（三单）为：traces...

trace的复数形式为：traces...

trace的现在完成时为：traced...

trace的音标：trace的英式发音音标为：[treɪs]trace的美式发音音标为：[treɪs]...

贝文（姓氏）...

vt.撤回（声明），放弃（信仰或主张）...

v.（无经验之人的）有经验可信赖的顾问( mentor的过去式和过去分词 )...

plywood的音标：plywood的英式发音音标为：['plaɪwʊd]plywood的美式发音音标为：['plaɪˌwʊd]...

拐弯要慢行.Slow down when turning a corner.当疲劳时, 应放松慢行, 不要停下休息.When tired, should relax the slow line, do not stop rest.慢慢行, 浅浅笑于与丁香花姑娘的作比.Time line, light and laughter in lilac for girls than....

Dense smoke swirled and billowed, its rank fumes choking her.滚滚浓烟盘旋翻腾，恶臭味呛得她喘不过气来。The accumulation of unswallowed saliva in the pharynx causes the sensation of choking.不能咽下的唾液积聚在咽部引起窒息感.Food breathed into the windpipe ca...

a retrograde step后退的一步The motion of the particle is retrograde.质点运动是衰减的.The Prime Minister described transferring education to central government funding as 'a retrograde step'.首相称将教育投入转由中央政府拨款是“一种倒退”。Infection...

染色粒...

n.印象派画家，用滑稽方式模仿名流的人adj.印象派的，印象主义的...

“等价”的拼音为：děng jià...

“发疹”的拼音为：fā zhěn...

a kilometre and a half of bitumen一公里半的柏油路面My home is half a kilometre away from here.我家离这儿有半公里.Now China ranks the antecedency in the world in the using efficiency and amount per kilometre.目前中国铁路使用效率及平均每公里货运量,均位居世界前列.Mor...

adj.叠合的， 全等的，符合的， 一致的...

“锯痕”的英语可以翻译为：kerf，saw cut，saw notch ...

斯各脱亚号由防水板分为七大间,一点也不在乎个把漏洞.Divided into seven compartments by watertight bulkheads, the Scotia could brave any leak with impunity....