xylem
US /ˈzaɪləm/
・UK /ˈzaɪləm/
A1 初級
n. (u.)不可數名詞木質部
影片字幕
納戈爾諾-卡拉巴赫。一個家庭的悲劇 - BBC新聞 (Nagorno-Karabakh: One family's tragedy - BBC News)
03:21
- Nischelle, xylem, Char at all.
Nischelle，木質部，Char根本。
葉的結構 | 植物 | 生物 | The FuseSchool (Structure Of The Leaf | Plant | Biology | The FuseSchool)
03:43
- Water comes up through the roots and stem, and enters the leaf through a vascular bundle, which contains a hollow tube for water transport called the xylem.
水從根部和莖部湧出，通過維管束進入葉片，維管束中有一條用於輸送水分的中空管道，稱為木質部。
- Through that space stretches the vascular bundle with xylem to transport water and phloem, which transports sugars after photosynthesis.
木質部和韌皮部的維管束穿過這些空間，木質部負責輸送水分，韌皮部負責在光合作用後輸送糖分。
樹木的怪奇物語！ (Trees Are So Weird)
12:38
- The inward specialists are in a conveyor belt of death, the xylem.
向內的專門細胞，就在死亡的輸送帶裡，也就是木質部。
- As the xylem cells mature, their lignin production goes into overdrive and they become hard, like a muscle, slowly transforming into bone.
隨著木質部的細胞成熟，它們的木質素生產進入超速狀態，變得堅硬，就像肌肉一樣，慢慢轉變成骨頭。
