Even today, many find it hard to keep people of that generation on a long-distance call for very long-they still hear a meter ticking in their head and rush to finish.

即使是在今天，很多人都会发现，我们爷爷那辈人很少长时间打长途，他们脑袋中似乎有一个永远走着的表滴滴答答的提醒他们时间快到了，快点结束。

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WHO o guidelines call for no more than 10 micrograms of PM 2.5 per cubic meter of air.

世卫组织的指导意见是每立方米空气中的PM 2.5值不应高于10微克。

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Here's the meter reading for the phone calls made on March 12. This is your call to Japan. This is the starting time and the time you hung up the phone. This is the number you called.

这是3月12日的长途电话流水表，这是您打往日本的电话，这是您打的时间，这是您打的电话号码。

youdao

Here's the meter reading for the phone calls made on March 12. This is your call to Japan. This is the starting time and the time you hung up the phone. This is the number you called.

这是3月12日的长途电话流水表，这是您打往日本的电话，这是您打的时间，这是您打的电话号码。

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