In additional experiments, the researchers injected a drug into the brains of older mice to counter the drop in acetyl tag attachment, or acetylation.
在另一个实验中，研究人员给年老的老鼠脑部注入了一种药物来阻止它们脑部乙酰物质的流失，帮助它们的脑部产生乙酰作用，结果完全在研究人员预料之中，辅助记忆的基因发挥了作用，年老的老鼠也可以像幼鼠那样恢复对以前事情的记忆。
Here's why: the next time you drop off a prescription order, you might see a robot behind the counter.
原因：下一次你递处方的时候，很可能是一位机器人站在柜台后为你服务。
Without its six fly-bys—which used the gravitational fields of the planets involved to counter that effect—Messenger could not have slowed sufficiently to allow it to drop into its intended orbit.
没有这六次“飞经”（利用各行星重力场的作用），就没办法使信使号降到能滑进水星轨道的速度。
He says, ''Ma'am, I'm blind but if you drop it on the counter I can tell you everything you need to know about it from the sound that it makes.''
这个戴墨镜的服务员说：“这位大姐，我是个瞎子看不见，不过你要是把他们扔在柜台上，我就能通过它们落地发出的声音判断出一切”
Without its six flybys-which used the gravitational fields of the planets involved to counter that effect-messenger could not have slowed sufficiently to allow it to drop into its intended orbit.
如果没有它的六次近水星飞行(利用能抵消这种影响的行星引力场)，信使号就不可能放慢到足以使它落入到预定的轨道。
Check In time: after 15:00 PM. Check out time is 11:00 am. Drop off your key at the North Dike surf shop counter.
进房时间：当日下午15：00以后；退房时间隔日上午11：00以前~北堤冲浪店柜台办理。
Objective To make a counter for measuring urinary drop in experimental animals.
目的制作实验动物尿滴记数器。
Company high level expresses, when company share price basically suffers stock market influence to drop considerably, counter-purchase a stock to be helpful for investor.
公司高层表示，当公司股价主要受股市影响大幅下跌时，回购股票有利于投资者。
The action seems counter intuitive, but the drop off in Eurozone yields likely has much more to do with future expectations than the upcoming meeting in July.
这一行动似乎不合乎直觉，但下跌的欧元区收益率很可能与预期未来七月份即将举行的会议有关。
The action seems counter intuitive, but the drop off in Eurozone yields likely has much more to do with future expectations than the upcoming meeting in July.
这一行动似乎不合乎直觉，但下跌的欧元区收益率很可能与预期未来七月份即将举行的会议有关。
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