Seroids, and the closely related sterols, are compounds found in animals and plants.

Insects need an external source of sterols.

昆虫需要外界来源的固醇类.

Stet 1 : Read the passage quickly, and try to get the main idea the passage.

目的: 通过快速阅读, 让学生了解文章的大意.可以训练学生的阅读速度及语言概括能力.

The soldiers kept in stet in step until they reached the foot of the mountain.

战士们齐步走到山脚下.

Later, Laennec built a hollow wooden cylinder and named it the stethoscope.

后来, 他做了个空心木圆筒,名之为[听诊器].

He instructed his young assistant, Jessie Reynolds , to put up her stethoscope and do the same.

他听了多丽丝·贝里的心搏,并指导他的年轻助手杰西·雷诺兹戴上听诊器也听一听.

Let me listen to your chest with the stethoscope.

让我用听诊器听听你的胸部.

Listen to entire inspiration and expiration at each stethoscope position.

每一听诊部位听诊均应呼、吸完整.

The obvious importance of a stethoscope for physical examination should need no explanation.

很显然,体格检查时听诊器的作用非常重要.

The readings of stethoscope doppler reflect blood flow within artery of transplant precisely.

超声多普勒听诊检查结果准确地反映了移植瓣动脉的血流状态.

Diagnostic studies included scrotal scan, Doppler stethoscope or color duplex ultrasonogram.

而诊断的方法可使用核医阴囊扫描, 杜卜勒听诊器或彩色杜卜勒超音波检查.

Just ten years ago, I sat across the desk from a doctor with a stethoscope.

十年前的一天, 我坐在一名手持听诊器的医生对面.

The doctor is examining his heart with the help of a stethoscope.

医生正在用听诊器检查他的心脏.

Blood Pressure Monitor, Body Fat Analyzer, Skin Detector, Uv Meter, Electronic Stethoscope Health Equipment.

采购产品血压监护仪, 体脂肪分析仪, 皮肤检测仪, 紫外米, 电子听诊器卫生设备.

But his clinic only has three pieces of medical equipment: blood pressure gauge, thermometer and stethoscope.

但是他的诊所只有3件医疗器械: 血压计, 体温计和听诊器.

I take it you know what a stethoscope is.

我想你知道听诊器是个什么东西.

I'll get my stethoscope and listen to your lung.

我要用听诊器听你肺部.

Then the doctor listens to his chest with a stethoscope.

然后医生用听诊器听他的胸腔.

Das Verhalten zu Vorgesetzten und Mitarbeitern war stets vorbildlich.

X的表现不论从那个方面来说都被我们所接受.

Steve didn't have the benefit of a formal college education.

史蒂夫没能接受正规的大学教育。

Steve stopped him with a wave of the hand.

史蒂夫摆摆手让他停下来了。