keystone怎么读，keystone的音标和真人发音
英音
['ki:stəʊn]
美音 [ˈkiˌston]
音节划分：key-stone
keystone是什么意思，keystone的意思是
n.重点；要旨；基本原理；拱心石
keystone 变化形式
复数： keystones
易混淆的单词： Keystone
易混淆的单词： Keystone
星级词汇:
keystone的词源和记忆技巧
keystone 拱顶石，主旨，要点
key,钥匙，关键，stone,石头。因拱顶石形如一把钥匙，同时也最为关键。引申词义主旨，要点。
keystone 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- Transcanada is the company constructing keystone .
- 横加公司是公司建设重点
- They 're what ecologists call a " keystone " species , who control the abundance every other species , but require a habitat of sufficient size to support those other creatures .
- 它们是生态学家所谓的“重点”物种，控制着大量的其它物种，不过它们需要足够大的栖息地以供养其它那些生物。
- However , these reserve requirements were abolished by margaret thatcher in 1980 as a keystone in her free market revolution , so that by the late 1980s every control and regulation on city lending had been scrapped .
- 然而，在1980年，作为撒切尔夫人自由市场改革的重点措施之一，这些存款准备金已经被废止，因此，到20世纪80年代末每一次城市的贷款的管制都被取消了。