实际上，眼神交流是一切的开始，也是一切的结束，她需要意识到你在看她的眼睛，至少要两秒钟，否则不等你开口说话，她的注意力就转移了。
Actually, it begins and ends with eye contact, because if she realizes you haven't focused on her eyes for even two consecutive seconds, she'll lose attention before you even say a word.
幸运的是，就算是这类突发类型的临盆(从开始到结束在3个小时以内)，对宝宝也是无害的。
And happily, even with this abrupt, or precipitous, kind of labor (one that takes three hours or less from start to finish), there is usually no risk to the baby.
转场是指从一张幻灯片变为另一张幻灯片时出现的特殊效果。转场意味着一张幻灯片的结束，也是另一张幻灯片的开始。
Transitions are special effects that appear when one slide changes to another. Transitions signal the end of one slide and the beginning of another.
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