Before means earlier than the time or event mentioned: …. Before as a preposition. We use before most …
before conj. (at an earlier time than) SC. Simplified Chinese. 在…以前 zài … yǐ qián. He could drive a car before he learned …
BEFORE的意思、解释及翻译：1. earlier than something or someone: 2. at a place where you arrive first when going …
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