08/5/12
alarm
n.
同义:signal , warning
v.
同义:startle , arouse , frighten , shock
反义:reassure , calm
练习:
If you hear the fire____, leave the building at once.
A. suggestion B. notice C. shouting D. alarm
派生:
alarming adj. 使人惊恐的,令人忧虑的
The oil import bill totals an ~ $45 billion.
石油进口费用数字骇人,达450亿美元之巨。

