西瓜单词

useful是什么意思

useful

英 ['juːsfʊl; -f(ə)l] 美 ['jusfl]

1. In business a poker face can be very useful.

生意场上，不动声色会非常有用。

来自柯林斯例句

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。