The key to their study, though, was in showing that the infants were really imitating the experimenter rather than just sticking their tongues out or opening their mouths for some other reason.
这项实验的关键是确定婴儿的确是在模仿实验者，而不是因为其他原因吐舌头或者张大嘴。
Make use of them if you really want to achieve a stunning visual design, instead of imitating “conventional” web-presentation.
如果你真的想要取得惊人的视觉效果，你要充分地运用他们而不是效仿传统的网站演示。
The study of imitating spider silks is always a hotspot of biology, but it fail to succeed really until now.
仿蜘蛛丝研究一直是生物学界的热点，但到目前为止，这项研究还没有获得真正的成功。
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