炎之孕同级生:急!!!!!!!!!!谁知道rool和penguing分别是什么意思啊!

没有rool这个词,查下是否打错了.

roof: [ ru:f ]
n. 屋顶
vt.&v. 给...覆以屋顶,覆盖

Examples:
1. She and I can't live under the same roof.
她和我不能住在一起。
2. She went through the roof when I told her I'd crashed her car.
我告诉她我把她的汽车撞坏了，她气得大发雷霆。
3. The roof of the old house caved in.
那栋旧房子的屋顶塌下了。
4. You're only laying up trouble (for yourself) by not mending that roof now.
你不趁现在修理房顶将来给自己找麻烦.
5. Has your roof a sharp slant?
你的屋顶是否有一个陡峭的斜面？
6. Snow sifted through the crack in the roof into the room.
雪从屋顶上的裂缝飘进屋里。
7. The wind was whispering in the roof.
屋顶上风声飒飒。
8. The roof of the tunnel was supported by wooden props.
坑道顶用木柱支撑。

root: [ ru:t ]
n. 根,根源
v. (使)生根,(使)扎根
vi. 生根

Examples:
1. Do you think the new rosebush has taken root?
你看新栽的玫瑰长根了吗？
2. Unhappiness is the root cause of his illness.
不开心是他生病的根源。
3. Who's been rooting about among my papers?
谁翻过我的文件了？
4. What are you doing rooting around in my desk?
你在我的书桌里乱翻什麽呀?
5. Root the cuttings in peat.
把插枝扦插泥炭中.
6. We're rooting for the college baseball team.
我们在给学院的棒球队加油.
7. Many Americans have roots in Europe.
许多美国人祖籍在欧洲.
8. She has no real roots in this area.
她原籍不在这儿.

penguin: [ 'peŋgwin ]
n. 企鹅

Examples:
1. The birth of a baby penguin in the zoo was widely reported.
动物园里小企鹅的出生受到了广泛的报道。
2. The penguin is a flightless bird.
企鹅是一种不会飞的鸟。
3. I wonder if you stock any Penguin jacket?
不知你们是否有企鹅牌茄克衫？
4. Incapable of flying. Used of certain birds, such as the penguin.
鸟不会飞的不能飞行的。用于指企鹅等某类鸟

好像不是英语。

penguin 在英语中是“企鹅”
roll 也听说过，不过楼主的单词让人费解啊。

penguin
1. 企鹅
2. 【旧】大海雀