a piece of wood
wood 作‘木头’讲时不可数，用 a piece of 表示‘一块木头’。
He picked up a piece of wood.
他捡起一块木头。
木柴；柴火；树林；森林；林地；（特定树种的）木材；木料；木杆（高尔夫球杆）；木管乐器
the hard fibrous substance of tree trunks and branches, used as a material
构成树干和树枝主要部分的物质,用作建筑材料等或燃料
The substance making up the central part of the trunk and branches of a tree. Used as a material for construction, to manufacture various items, etc. or as fuel.
树皮下的坚硬纤维木质物质
the hard fibrous lignified substance under the bark of trees
特定树种的木材
The wood from a particular species of tree.
大面积密林中的树木和其他植物
the trees and other plants in a large densely wooded area
林地；森林地带
A forested or wooded area.
美国电影女演员(1938-1981)
United States film actress (1938-1981)
柴火
Firewood.
一种高尔夫球杆,杆头传统上由木头制成
A type of golf club, the head of which was traditionally made of wood.
木管乐器
A woodwind instrument.
The dining table is made of solid wood, so it should last for many years.
这张餐桌是用实木做的，所以应该能用很多年。
用法提示：本句中的wood是不可数名词，表示‘木材、木料’这一材料，作介词of的宾语。
We bought some dry wood to light the fireplace this winter.
我们买了一些干木柴，准备今年冬天点燃壁炉。
用法提示：本句中的wood是不可数名词，表示‘木柴、柴火’（材料的一种用途），作bought的宾语。
The carpenter sanded the wood until it felt completely smooth.
木匠打磨那块木头，直到它摸起来完全光滑。
用法提示：本句中的wood是不可数名词，表示‘木头、木料’（被加工的材料），作sanded的宾语。
wood 作‘木头’讲时不可数，用 a piece of 表示‘一块木头’。
He picked up a piece of wood.
他捡起一块木头。
The table is made of wood.
桌子是木头做的。
woods 常以复数形式表示‘树林’，注意和 wood（木头）区别。
They went for a walk in the woods.
他们去树林里散步。
grammar · medium
易错句子I bought a wood for my project.
正确表达I bought some wood for my project.
wood作为材料时是不可数名词，不能直接用不定冠词a，应使用some wood或a piece of wood。
grammar · medium
易错句子The table is made by wood.
正确表达The table is made of wood.
表示材料时，介词用of，而非by。'made of wood'是固定搭配。
指与木材相对的人造或天然硬质材料，常用于建筑、工具等
woods 指较小或较茂密的林地，常靠近人类活动区；forest 指大面积、原始的森林
wood 泛指一切木头；timber 特指作为建筑材料的木材
wood 更通用，lumber 常指已砍伐并锯成的木板或方木
一块木头
He picked up a piece of wood from the ground.
他从地上捡起一块木头。
木火
They sat around the wood fire, telling stories.
他们围坐在木火旁讲故事。
木地板
The room has a beautiful wood floor.
这个房间有一个漂亮的木地板。
木雕
She is skilled in wood carving.
她擅长木雕。
木板
The wall is covered with wood panels.
墙上覆盖着木板。
wood + -en
wood + -y
wood + land
wood + work
wood + wind
wood + peck + -er
树木茂密生长的区域，与wood的树林含义相关
木材的来源，树木是wood的主要原料
许多家具由木材制成，是wood的常见制品
纸通常由木浆制成，与wood的加工产物相关
木材是常见的燃料，用于生火
脱离困境
The patient is still very sick, but she is out of the woods now.
病人仍然病得很重，但她现在已经脱离危险了。
碰木头（祈求好运）
I've never been in a serious car accident, knock on wood.
我从未遭遇过严重的车祸，老天保佑。
见树不见林
He focused so much on small details that he couldn't see the wood for the trees.
他过于关注细节，以至于看不到全局。
这不是很好吗，挪威的木头？
She used a piece of wood to prop open the door.
她用一块木头撑开门。
敲木头（求好运）
I think I'll pass the test, knock on wood.
我想我能通过考试，敲敲木头。
发短 /ʊ/ 音 (如 good, book)
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.