But more work needs to be done before the long-term impact is known. Moore's study was published earlier this year in the Journal of Animal Science. "We are working on producing diagnostic markers for efficient animals. We are looking at the next g...
试题简介:比较can 和be able to 1)can could 表示能力;可能 (过去时用could), 只用于现在式和过去式(could)。be able to可以用于各种时态。 They will be able to tell you the news soon. 他很快就能告诉你消息了。 试题类型:英语练习题 > 初中英语:语法大全之比较ca...
我只是用“can”来谈谈我做某事的能力。我们也使用“be able to”来获得能力,但通常只有在“can”不能使用时才能使用。我会在一分钟内告诉你这意味着什么。 但首先,我们来探讨“can”这个词。 Can “can”是一个模态动词。我们用它来: 谈论现在或未来的能力或可能性 ...
更多内容请点击：Canadian scientists breeding cows that burp less