He noted that Bong and Lofa counties produce the most rice, and he added, "We cannot live without rice."
VOA: special.2009.01.27
Electron transfer, we cannot live, we die without sodium chloride.
电子转移了,没有氯化钠我们不能生存。
麻省理工公开课 - 固态化学导论课程节选
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