capillary action
US
・UK
A1 初級
n. (u.)不可數名詞毛細作用
Capillary action helps water move up the stem of a plant.
影片字幕
這支「筆」改變了世界，它是怎麼辦到的？ (How This Pen Changed The World)
09:17
- This is called capillary action, and it's what allows water to climb tree roots and nutrients to flow around our body.
這就是所謂的毛細作用，是它讓水能夠爬上樹根，讓營養物質在我們的身體中流動。
- If the pen was turned upside down, the capillary action and the surface tension of the ink would stop it from falling out the back of the pen.
如果把筆倒過來，墨水的毛細作用和表面張力會阻止它從筆的背面掉出來。
好噁心！如果蒼蠅飛到食物上會發生什麼事情？(What Really Happens When A Fly Lands On Your Food?)
06:34
- If the substance is liquid or semi-liquid, the fly can use its labellum to absorb the substance through capillary action.
如果物質是液態或半液態的，蒼蠅可以利用脣瓣通過毛細作用吸收物質。
海灘洞為何如此致命？ (Why Are Beach Holes So Deadly?)
16:11
- And this is largely due to capillary action.
這主要是由於毛細管的作用。
- This capillary action actually creates negative pressure within the soil, compared to the ambient air pressure.
與環境氣壓相比，這種毛細作用實際上會在土壤中產生負壓。
