How long have you had this scabies?

People can be infested with scabies without having any symptoms.

没有任何症状也可能感染上了疥疮.

Itch mites cause scabies.

疥螨会引起疥疮.

His flesh crawled as if he had a scabies.

他身上痒得象害了疥疮.

It'sounds like scabies . Let me take a look under the microscope.

有点像疥疮, 我再用显微镜看一下.

The swift current impacts against the shore.

激流撞击着海岸.

The swimmer battled the swift current.

游泳者与急流搏斗.

In the swift current, the boat rocked, water washed into it and disaster threatened.

在急流之中船身晃动, 水冲了进来,眼看要发生灾难了.

It is dangerous for him to swim in such a swift current.

他在这样的急流中游泳是危险的.

The sacrum is the most frequent site of occurrence in the axial skeleton.

骶骨是中轴骨骼上最常见的发病部位.

Objective To evaluate the CT findings and clinical application in sacrum neoplasms.

目的探讨骶椎肿瘤的CT表现及其临床意义。

Most chordomas are found at skull base, sacrum and cervical spine.

大多数脊索瘤发生在颅底 、 颈椎及荐骨.

Chordomas are rare tumors of notochordal tissue remnants and most frequently affect the sacrum and base.

脊索瘤是来自脊索遗迹的罕见肿瘤,主要侵犯荐椎及颅底.

In this paper, aluminum-scandium alloys were prepared starting form scandium oxide by molten salt electrolysis.

本文采用了熔盐电解法研究铝钪合金的制备.

PMBPmediated emulsion liquid membrane Was developed to extract scandium from a mixture.

我们得到PMBP为载体的乳状液膜从混合液中提取钪.

Scandium-modified Al alloys are a new kind of high performance alloys.

钪改性的铝合金是一类高性能新型铝合金.

The distribution in nature, application, and extraction technology of scandium are introduced.

论述了稀散元素钪在自然界中的分布 、 应用状况及提取技术.

This paper the acidity changes across the membrane when various carriers were used to extract scandium.

本文报导了使用不同载体萃取钪时,液膜内外相的酸度变化.

I'd like to rent a car, please. I need it for business.

我想租一辆汽车, 是为了业务上的需要.

And you have to rent the telephone line.

而且你还要租用电话线路.

I'd like to rent a car for the weekend.

我想租一辆汽车周末用.