ADJ presenting an unavoidable need to choose between two alternatives 非此即彼的
an either-or situation
Anti-slavery settlers in Kansas felt they could not get fair treatment from either the president or the new governor.
VOA: special.2009.05.07
So either a potassium cyanide or sodium cyanide, these are used in synthesis in terms of making carbon-carbon bonds.
因此无论是氰化钾还是氰化钠,都被用来在合成过程中,制造碳碳键。
Fourth, there's generally some arrangement, either for the publication of the treaty, or its deposition, its safe-keeping in some sort of shrine.
第四是一些笼统的安排,对条约的公布,或者废除,然后放在圣坛里,安全保管。
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