cell wall
cell wall — 名詞
1. a stiff outer layer around a plant cell, made mostly of a tough material called
植物細胞壁
植物細胞外的堅硬保護層
a stiff outer layer around a plant cell, made mostly of a tough material called cellulose, that gives the cell its shape and protects it from damage
Under a microscope, the onion cells showed a clear, thick cell wall around each one.
在顯微鏡下，洋蔥細胞顯示出清晰而厚的植物細胞壁圍繞著每一個細胞。
describes appearance: clear, thick
Gabriel cut an apple slice and saw its cells held together by their cell walls.
Gabriel 切了一片蘋果，發現蘋果細胞是靠著植物細胞壁結合在一起的。
A plant cell wall works like a strong box that keeps the cell from bursting.
植物細胞壁像一個堅固的箱子，防止細胞破裂。
When Maeve watered the wilted flowers, the cell walls helped the stems stand upright again.
Maeve 給枯萎的花澆水後，植物細胞壁幫助莖再度挺直。
Unlike animal cells, plant cells have a strong cell wall outside their membrane.
和動物細胞不同，植物細胞在細胞膜外還有一層堅固的植物細胞壁。
用法筆記
Only plant cells (not animal cells) have a cell wall. This is a key difference students learn in basic biology.
常見錯誤
2. a firm, non-living layer outside the cell membranes of various one-celled and ma
細胞壁
微生物與植物細胞的支撐層
a firm, non-living layer outside the cell membranes of various one-celled and many-celled organisms such as plants, algae, fungi, and bacteria — it gives the cell structural support and stops it from bursting when water enters
Bacteria have a tough cell wall that protects them from drying out in harsh conditions.
細菌有一層堅韌的細胞壁，保護它們在惡劣環境中不會乾死。
broadens to bacteria
Dr. Sumin studied how the cell wall of yeast changes shape during bread making.
Sumin 博士研究了酵母菌在麵包發酵過程中細胞壁形狀的變化。
Some antibiotics fight infections by breaking down the cell wall of harmful bacteria.
有些抗生素透過破壞有害細菌的細胞壁來對抗感染。
The cell wall of a mushroom contains chitin, a substance that makes it firm.
蘑菇的細胞壁含有幾丁質，這種物質讓蘑菇變得堅實。
Without its cell wall, a plant cell would swell up and burst under water pressure.
如果沒有細胞壁，植物細胞在水分壓力下會膨脹並破裂。
用法筆記
This sense covers all organisms with cell walls (plants, bacteria, fungi, and algae). The cell wall is non-living and fully permeable, unlike the cell membrane, which is living and selectively permeable.