annulus

英 ['ænjʊləs] 美 ['ænjuːləs]

• n. 环；轮；体环；[数]圆环域

英英释义

Noun:

1. a toroidal shape;

   "a ring of ships in the harbor"
   "a halo of smoke"
   

2. (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

例句

用作名词 (n.)

1. What touch with vaccinal annulus is adhesive.
   用接种环触之有粘性。
2. The thin ring of sunshine encircling the moon during an annular eclipse is called an annulus.
   在日环食期间，绕着月亮的那轮浅浅的太阳光就被称为环面。

词汇搭配

• primary annulus 初级齿圈
• superior annulus 上位菌环
• dense annulus 致密环
• water annulus 环形水道
• annulus loss 环面损失
• collecting annulus 集水槽
• annulus umbilicalis [医] 脐环
• pit annulus 纹孔环
• secondary annulus 第二内齿轮
• annulus urethralis 尿道环
• annulus tympanicus [医] 鼓环
• annulus vaginalis 鞘(膜)环

近反义词

【近义词】

• circle 圆圈
• skirt 裙子
• ring 戒指
• halo (日月等)晕
• anchor ring 环形圆纹曲面...
• doughnut 油炸圈饼