before: [ bi'fɔ: ] a. 以前,在...以前 ad. 以前 prep.&conj. 在...以前 例句与用法：1. I have seen that film before. 那部电影我以前看过。 2. He always put the interests of others before his own. 他总把他人的利益放在第一位。 3. He will die before he submits. 他宁死不屈。 4. He made a statement before the House of Commons. 他在下议院当众发表了一个声明。 5. It will be a long time before we finish this dictionary. 我们需要很长的时间才能把这部词典编译完。 6. B comes before C in the alphabet. B在字母表里排在C之前.
我爱鸡爪啊
