sacs
英 [sæks]
美 [sæks]
n. (人、动植物体内的)囊,液囊,气囊
sac的复数
柯林斯词典
- N-COUNT (动物体内的)囊,液囊,气囊
Asacis a small part of an animal's body, shaped like a little bag. It contains air, liquid, or some other substance.- The lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。
- The lungs consist of millions of tiny air sacs.
双语例句
- The embryo sacs observation is one of the main study method for embryology.
胚囊观察是植物胚胎学的主要研究方法之一。 - The endoplasmic reticulum, a lacy array of membranous sacs, tubules, and vesicles, may be either rough ( RER) or smooth ( SER).
内质网,是一些不规则排列的膜囊,小管,和液泡组成的。 - Besides webs, spiders also use their silk to line nests and make egg sacs.
除了织网,蜘蛛还用丝来铺窝和编织卵袋。 - Silken egg sacs may be hidden in vegetation, or in crevices, or buried in the ground.
丝质卵囊可能被藏在植物或石缝中,或被埋在地下。 - The tiny individual corals are simplistic in design. They are cup-shaped sacs and have one opening that doubles as a means of both eating and excretion.
那些小的个体珊瑚虫外形简单。它们杯状的囊只有一个开口,用来吸食和排泄。 - Vacuoles in cells appear to be hollow sacs but are actually filled with fluid and soluble molecules.
细胞中的液泡是中空的囊状结构,里面充满着液体和可溶性分子。 - Broken pollen sacs in vicinity of stigma
柱头附近破碎的花粉囊 - The lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。 - An item resembling one of the membranous sacs in animals.
形状象动物体内有膜囊状器官的物体。 - The lungs are made up of small sacs called alveoli, which fill with air when a healthy person breathes.
肺由称为肺泡的小气囊组成,当健康的人呼吸时会充满空气。