capillary
capillary — 名詞
1. the smallest type of blood vessel in the body, connecting the arteries to the ve
微血管
體內最細小的血管
the smallest type of blood vessel in the body, connecting the arteries to the veins, with walls thin enough for oxygen and nutrients to pass into nearby cells.
When you exercise, the capillaries in your muscles widen to let more blood flow through.
運動時，肌肉中的微血管會擴張，讓更多血液流過。
capillary + singular generic article
Dr. Okafor studied how damaged capillaries affect healing after a skin injury.
Okafor 醫師研究了受損的微血管如何影響皮膚受傷後的癒合。
capillary + plural for body part context
The walls of a capillary are one cell thick, so oxygen passes through easily.
微血管的管壁只有一個細胞厚，因此氧氣很容易通過。
High blood pressure can cause tiny capillaries in the eye to burst.
高血壓可能導致眼睛裡細小的微血管破裂。
Red blood cells travel through capillaries one by one because the tubes are so narrow.
紅血球一個一個地通過微血管，因為血管實在太細了。
- microvessel
more technical; used mainly in medical research writing
文法句型
capillary + verb
capillary + of + body part
用法筆記
This sense almost always appears in the plural (capillaries) because a single capillary rarely works alone — they form networks throughout the body.
常見錯誤
capillary — 形容詞
1. extremely thin and narrow, like a hair; describing a tube or passage that has an
毛細；極細
細如毛髮或內徑極小的
extremely thin and narrow, like a hair; describing a tube or passage that has an extremely narrow inner opening, through which liquid can barely pass.
The thermometer has a capillary tube so fine that you need a magnifying lens to read it.
溫度計裡有一根極細的毛細管，需要用放大鏡才能讀取刻度。
attributive: capillary + noun (tube)
Capillary pores in certain types of rock allow water to rise slowly toward the surface.
某些岩石中的毛細孔隙能讓水緩慢地往地表上升。
A thin capillary crack in the window spread across the glass after the cold night.
那條細如毛髮的裂縫在寒冷的夜晚過後，從窗戶上蔓延開來。
The capillary grooves on the surface channel ink from the pen's reservoir to the tip.
表面的毛細溝槽將墨水從筆的儲墨槽導向筆尖。
Ink moves through the capillary gap between glass plates by surface tension, not gravity.
墨水透過兩片玻璃板之間的毛細間隙移動，靠的是表面張力，而不是重力。
文法句型
capillary + noun
用法筆記
Used almost exclusively before a noun (attributive position). Do not use predicatively (*'The tube is capillary'). The synonym 'hair-thin' works in everyday conversation; 'capillary' is reserved for formal or technical writing.