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Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .是什么意思？

Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .

应用双能 X 线骨密度仪 ( DEXA ) 测定股骨、腰椎等部位的骨密度.

bone

n. 骨头，尸骨，骨质物，有…样的骨头的；vt. 挑鱼刺，剔骨头，剔去…的骨；vi. 苦学，专心致志；

例句
...a small, expensive pocketknife with a bone handle.
昂贵的骨柄小折刀

mineral

n. 矿物，矿石，矿物质，汽水；adj. 矿物的，似矿物的；

例句
...an effervescent mineral water.
含汽矿泉水

density

n. 密度，稠密，浓厚，[物]浓度，比重，愚钝；

例句
The compression and density make this a difficult book to read, but it richly rewards the effort.
这本书内容丰富，思想深刻，很难读懂，但是非常值得一读。

at

prep. （表示位置）在，在（某时间或时刻），以，达，向，朝；n. 阿特（老挝辅币单位，100 阿特 = 1 基普）；

例句
Prices start at £13.95 a metre for printed cotton...
印花棉布以每米13.95英镑的价格起售。

lumbar

adj. 腰部的；n. 腰动（静）脉，腰神经，腰椎；

例句
Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .
应用双能 X 线骨密度仪 ( DEXA ) 测定股骨、腰椎等部位的骨密度.

spine

n. 脊柱，脊椎，（动植物的）刺，书脊；

例句
Don't arch your back, keep your spine straight.
别佝着背，把腰挺直。

femoral

adj. 股骨的，大腿骨的，大腿的；n. 股动脉；

例句
Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .
应用双能 X 线骨密度仪 ( DEXA ) 测定股骨、腰椎等部位的骨密度.

neck

n. 颈，脖子，衣领，海峡，[地]岩颈；vi. 搂着脖子亲吻，相拥互吻，变狭窄；vt. 使变细，与…搂著脖子亲吻，割颈杀死（家禽等）；

例句
Poor posture can cause neck ache, headaches and breathing problems.
姿势不当会导致颈部疼痛、头痛和呼吸困难。

trochanter

例句
Bone mineral density ( BMD ) at lumbar spine, femoral neck, trochanter and Ward's triangle were measured by dual - energy X - ray absorptiometry ( DEXA ) .
应用双能 X 线骨密度仪 ( DEXA ) 测定股骨、腰椎等部位的骨密度.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

triangle

n. 三角形，三人一组，三角铁，三角板；

例句
The sum of all the angles of a triangle is 180 degrees.
三角形内角总和为 180 度。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

measured

adj. 仔细斟酌的，慎重的，缓慢而又有节奏的；v. 量( measure的过去式和过去分词 )，测量，衡量，量出；

例句
Peace could come only gradually, in carefully measured steps. Even then, it sounds almost impossible to achieve...
和平只会逐渐到来，而且每一步都走得小心翼翼。即使那样，要实现和平听起来仍几乎不可能。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

dual

adj. 双的，两部分的，二体的，二重的；n. 双数，双数词；

例句
...his dual role as head of the party and head of state...
他作为政党领袖和国家元首的双重身份

energy

n. [物]能量，活力，精力，精神；

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

ray

n. （热或其他能量的）射线，光束，光线，微量，伞形花序柄；vt. 放射，照射，（思想，希望等）闪现，发光；

例句
They tried to get the harpoon into the ray before the sting tail came lashing over to retaliate...
他们试图把鱼叉刺进鳐鱼体内，以防它猛摆那蜇人的尾巴报复。

absorptiometry

n. 吸光测定法，吸收测量学；

例句
Dual x - ray absorptiometry was used to measure bone mineral density.
双能 X 线骨密度仪被用来股的矿物质密度.

...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋

You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。

He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。

This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。

Nothing to be got without pains but poverty.
一份耕耘，一份收获。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。

Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。