名詞 oak:

1. the hard durable wood of any oak; used especially for furniture and flooring
2. a deciduous tree of the genus Quercus; has acorns and lobed leaves
   同義詞：oak tree

1. Oak is a good type of wood for making furniture.
   橡木是制作家具的好材料。
2. We planned to floor our room with oak.
   我們計(jì)劃用橡木材料給房間鋪地板。
3. That chiffonier is made of oak.
   那件小衣櫥是橡木制成。
4. There are many acorns on the oak tree.
   這棵橡樹上有很多橡子。
5. The door is made of oak.
   這門是橡木做的。

oak

n.（名詞）

Any of numerous monoecious deciduous or evergreen trees or shrubs of the genusQuercus, bearing acorns as fruit.
櫟屬樹，櫟，橡：櫟 屬雌雄同株落葉樹或常綠樹木或灌木，結(jié)橡樹果實(shí)
The durable wood of any of these trees or shrubs.
櫟木，橡木：這些樹木或灌木的耐用木材
Something made of this wood.
櫟木制品：這種木材的制品
Any of various similar trees or shrubs, such as the poison oak.
櫟狀樹：相似的樹木或灌木，如櫟葉漆樹
Color Any of various brown shades resembling the wood of an oak in color.
【色彩】 櫟棕色：與櫟木顏色相似的棕色

來源：
Middle English ok
中古英語(yǔ) ok
from Old English 3c
源自 古英語(yǔ) 3c

【引伸】
oak.en