英语词源
- useful (adj.)
- 1590s, from use (n.) + -full. Related: Usefully; usefulness.
权威例句
- 1. In business a poker face can be very useful.
- 生意场上，不动声色会非常有用。
- 2. "For heaven's sake!" Dot expostulated. "They're cheap and they're useful."
- “拜托！”多特反驳道，“它们又便宜又管用。”
- 3. HDTV is especially useful if there are a lot of special effects.
- 有很多特效的时候，高清电视就格外有用了。
- 4. The hinged seat lifts up to reveal a useful storage space.
- 把用铰链连接的座位抬起来后，就会发现下面有一个实用的储物空间。
- 5. Pain-killers are very useful in small amounts to bring your temperature down.
- 小剂量的止痛药对于降低体温非常有用。
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