用法:
1 payment added to what is usual or expected, eg an extra dividend paid to shareholders in a company or to holders of an insurance policy 额外津贴; 奖金; 红利:
a productivity bonus, ie money added to wages when workers produce more goods, etc 生产奖金 *
Company employees received a 25 Christmas bonus. 公司雇员得到25英镑的圣诞节赠金.

用法:
2 anything pleasant in addition to what is expected 意外的好处:
The warm weather in winter has been a real bonus. 冬天有这样暖和的天气真是喜出望外.

• the supernatural
• the ,Supreme `Being
• the Supreme Court
• the Supreme Soviet
• the synoptic gospels
• the third dimension
• the Third World
• the three Rs
• the triple jump
• the unconscious
• the undermentioned
• the underprivileged
• the undersigned
• the unemployed
• the unexpected
• the Union Jack (also the Union flag)
• the United Kingdom (abbr 缩写 (the) UK)
• the United Nations (abbr 缩写 (the) UN)
• the United States (of America) (abbrs 缩写 (the) US, USA)
• the unwaged
• the unwary
• the Upper Chamber (also the Upper House)
• the utmost (also the uttermost)
• the vitals
• the weak