trace的第三人称单数怎么写

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...

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

trace的现在完成时为：traced...

trace的复数形式为：traces...

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的现在进行时为：tracing...

trace的一般过去时为：traced...

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...

crack up的音标：crack up的英式发音音标为：[kræk ʌp]crack up的美式发音音标为：[kræk ʌp]...

The lake is situated at the eastern extremity of the mountain range.湖位于山脉最东端。The great Wutai mountain range rose between Shansi and Hopei.巍峨的五台山脉高耸于山西河北之间.This mountain range has many high peaks and deep canyons.这条山脉有许多高...

A catfight has erupted over who will get top billing.为了谁做主角的问题爆发了一场吵闹。...

“银笋”的英语可以翻译为：icicles ...

n.银( silver的名词复数 )，银币，银制品，银色...

organiser的音标：organiser的英式发音音标为：['ɔ:gənaɪzə]organiser的美式发音音标为：['ɔgənaɪzə]...

激素生成的...

leuekotrichious的音标：leuekotrichious的英式发音音标为：[l'ju:i:kəʊtrɪtʃɪəs]leuekotrichious的美式发音音标为：[l'juikoʊtrɪtʃɪrs]...

The pillowcases are stained, and the bathtub is dirty.枕套上有污渍, 浴缸还是脏的.B, Interval between top sheet and foundation drapes covered by sterile pillowcases.B上单与底单间隙用无菌枕套覆盖.B , Interval between top sheet and drapes covered by...

armada的复数形式为：armadas...

The highest Order of Knighthood is the Order of the Garter.最高骑士勋位是嘉德勋位。He received a knighthood in the New Year's Honours list.他是新年受勋者之一，荣获爵士称号。Sir Joseph's knighthood was the final feather in his cap after yea...

n.借出物，借款( loan的名词复数 )v.借出，贷与（尤指钱）( loan的第三人称单数 )，出借（贵重物品给博物馆等）...

forfeiters的音标：...

n.海王星，（罗马神话）海神尼普顿...

n.开花期，开花...