高中人教版 - 必修二
attach
[əˈtætʃ]
vt. 缚上，系上；附加
The old man didn't seem to attach any importance to the question.
这老人似乎一点也不重视这个问题.
importance
[imˈpɔ:təns]
n. 重要；重要性
In recent years our country has placed great importance on economic construction.
近几年来我们国家非常重视经济建设.
signal
[ˈsiɡnəl]
vi. 发信号；预示；表明
Experts regarded it as a warning signal of an economic smashup.
专家们把它看作是一场经济灾难的警告信号.
replace
[riˈpleis]
vt. 把…放回；取代
You may use these tools, only you must replace it after use.
这些工具你可以使用, 不过你用完之后得重新放好.
hopeless
[ˈhəuplis]
adj. 没有希望的，绝望的
He was disappointed so often that he became hopeless.
他屡次失望,以致变为了绝望.