
up
[副 詞] 向上方.
The monkey is climbing up the tree.
這猴子正在往樹(shù)上爬.
[介係詞] 朝高處, 朝遠(yuǎn)處, 往上游.
The nearest shop is one mile up the road.
最近的商店在這條路一英哩遠(yuǎn)處.
[形容詞] 向上的.
[名 詞] 上升, 上漲.

us
[代名詞] 我們. (we 的受格)
He told us this story.
他告訴我們這個(gè)故事.
Mom did not give us money.
媽媽沒(méi)有給我們錢.

use
[動(dòng) 詞] 使用, 發(fā)揮, 行使.
Don't use the desk by that window.
不要使用那個(gè)在窗戶旁邊的書(shū)桌.
[名 詞] 用途, 用處, 使用權(quán).
It is no use worrying about it. There is nothing you can do.
擔(dān)心這個(gè)是沒(méi)有用的, 反正你也不能做什麼.

useful
[形容詞] 有用的, 有益的.
I hope this book will be useful to you.
我希望這本書(shū)會(huì)有助於你.
My hat has turned out to be useful now.
我的帽子現(xiàn)在變得有用了.

was
[動(dòng) 詞] 是. (is 與 am 的過(guò)去式)
He was sick last week.
他上個(gè)星期生病了.
I went to school when I was six.
(當(dāng)) 我六歲時(shí) (我) 開(kāi)始去上學(xué).