141 acknowledged /әk'nɒlidʒid/ hover to flip a. 公认的 acknowledged 142 acknowledgement /әk'nɒlidʒmәnt/ hover to flip n. 承认, 确认, 感谢, 收到的通知 acknowledgement 143 gre acorn /'eikɒ:n/ hover to flip n. 橡树果实 acorn 144 gre acoustic /ә'ku:stik/ hover to flip a. 听觉的, 声学的, 音响的 acoustic 145 cet6 ky toefl ielts gre acquaint /ә'kweint/ hover to flip vt. 使认识, 介绍 acquaint 146 gk cet4 cet6 ky toefl gre acquaintance /ә'kweintәns/ hover to flip n. 认识, 相识者 acquaintance 147 gre acquiesce /.ækwi'es/ hover to flip vi. 默许, 默然同意 acquiesce 148 acquiescence /.ækwi'esәns/ hover to flip n. 默许, 默认 acquiescence 149 gk cet4 cet6 ky toefl ielts acquire /ә'kwaiә/ hover to flip vt. 获得, 学到 acquire 150 gre acquired /ә'kwaiәd/ hover to flip a. 获得的, 后天的 acquired