duct

名词管，导管; （电线，电缆等的）管道

及物动词用导管输送; 用管道供应

1. 导管：泡状或管泡状.泡状和管泡状的分泌部常称腺泡(acinus).分泌部一般由一层细胞组成,中央有腔.根据分泌部的形状,腺可分为管状腺(tubular gland ),泡状腺(acinar gland )和管泡状腺(tubuloacinar gland)(图2-27).2,导管(duct)导管与分汔部直接通连,

2. 管道：在张拉,固定 PS 钢束之前计算截面面积,抗弯刚度等截面特征值时使用的是从总截面(Gross Cross Section) 减去管道 (Duct)截面的净截面(Net Cross Section),

3. 管,导管：根据分泌部的形状,腺可分为管状腺(tubular)、泡状腺(acinar gland)和管泡状腺(tubuloacinar gland)(图2-18)2.导管 导管(duct)与分泌部直接通连,由单层或复层上皮构成.

4. 管：因为通常是将分泌物引至体表和体内的管腔中,所以附有排出管--导管(duct). 这样的腺体称外分泌腺. 另外,没有导管,而将分泌物放到血管中的分泌细胞群,也同样是腺...淋巴细胞在对抗原和促细胞分裂剂(mitogen)进行反应而增殖分化中,

1. (输送液体或气体的)管道,管子
    A duct is a pipe, tube, or channel which carries a liquid or gas.

    e.g. ...a big air duct in the ceiling.
           天花板上巨大的通风管道

2. duct的意思

2. (人体内输送泪水、胆汁等的)导管
    A duct is a tube in your body which carries a liquid such as tears or bile.

    e.g. ...tear ducts.
           泪管

1. 911查询·英语单词

1. Consumer Reports magazine said covering the spot with a case or even a piece of duct tape alleviates the problem.

2. Wu was diagnosed with a blocked tear duct early this week that had caused his left eye to weep constantly for two years.

3. Transparent duct tape was used so patients and doctors would not be able to guess which bandages contained the duct tape.

4. duct的意思

4. I have a blocked tear duct and understand the secret passages between the eyes and the nose.

5. All wore white blindfolds and some had duct tape over their mouths.

6. 911查询·英语单词

6. Have your heating system serviced in the fall and have your duct system checked, too.

7. But Wang was still in critical condition after suffering stab wounds to his intestines, bile duct and stomach.

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8. After some effort, the workers managed to free the cat from the ventilation duct.

9. duct

9. She suffered a broken leg and the tear duct of her left eye was hurt.

10. I felt the needle go deeper and deeper into my tear duct.

noun