It is simple, reliable, light, short, efficient and capable for really high revs.
它简单，可靠，重量轻，短，高效，高转速真正的能力。
Many studies show that social support revs up the immune system, and helps prevent colds.
大量的研究已经证明社会帮扶能增强人体的免疫力，有助于预防感冒。
Many studies show that social support revs up the immune system, and helps prevent colds.
大量的研究已经证明社会帮扶能增强人体的免疫力，有助于预防感冒。
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