That night, the scientists injected a chemical into the brains of some of the mice. The chemical had been shown to block neurons in dishes from pruning their synapses.
当天晚上，科学家将一种化学物质注入若干小鼠的脑中。在实验室中，这种化学物质已被证明可以阻止神经元减少其突触。
Pruning, fertilization, chemical thinning and irrigation affect 'Gala' apple fruit size and crop value.
修剪，施肥，化学细化和灌溉影响'嘎拉'苹果果实大小和作物的价值。
Pruning, fertilization, chemical thinning and irrigation affect 'Gala' apple fruit size and crop value.
修剪，施肥，化学细化和灌溉影响'嘎拉'苹果果实大小和作物的价值。
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