指示代词是用来指代或标记人或事物的代词,有this,that,these,those。this,that是单数,these,those是复数。指示代词可以在句中作主语、宾语、表语和定语等。 几组常见的指示代词的辨析: ...
and that number has since doubled, according to WHO. Low-income countries have only been able to administer 1.5 doses for every 100 people, due to lack of supply.世卫组织表...
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