Beta tester
β系数测定器
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
n. 考试人, 做试验者, 试验装置, 天盖, 华盖\\n[化] 检验器; 试验仪器
🗣️ 情景例句
She always talks to me as though she were my sister.
她总是以我妹妹的口气跟我说话。
Don't make any mistakes.
别出差错。
That's difficult!
那就难啦！