Not all service stations carry diesel, and pumps serving up biodiesel are rare indeed.
不是所有的加油站都提供柴油,能供应生物柴油的加油站就更为稀少。
The nervous system senses continued pressure and pumps out stress hormones over an extended period.
神经系统感受到源源不断的压力,便持续释放应激激素。
That's right, the water tower and pumps work together to keep the water pressure stable throughout the day.
的确如此,水塔和水泵协力保持水压在一天中持续稳定。
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