A single dose is less likely to stain teeth in children or produce adverse reactions.

这种剂量不太可能污染儿童的牙齿或者产生不良反应。

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Then the cycle was adjusted and rats were required to press the lever twice to get a single dose.

接着，调整实验条件，小鼠们必须按操作杆两次才能得到一剂药物。

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Inorganic arsenic in a single dose of about 100 milligrams can kill by shutting down energy metabolism.

无机砷在单剂量100毫克可以通过减弱能量代谢的进程使人致死。

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The pill is given at a single dose and starts working in two hours.

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It has also opened the possibility of single dose vaccines with a long-term immunity response.

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After other treatments failed, his doctor injected a single dose of Avastin into the eye in July 2005.

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