Why does sibling reaction translate into "reaction"

Let's talk about force first. Force refers to the army. For example, Air Force Special Forces Delta Force (Delta Force). The control force is a four-person team led by Burns.

Besides, contra. The game contra was created by the Japanese. The Japanese pronunciation of English contra is kontora. In Japanese, the pronunciation of three Chinese characters "contra" is kontora. So the reason is that the Japanese use the Japanese pronunciation of three Chinese characters "Contra" to express the pronunciation of Contra.

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