Beta-test
vt. 对（新产品）进行β因素测试（指由非制造商对新产品进行上市前的检验）
🧩 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
🗣️ 情景例句
we don't have to.
我们不必勉强。
Karl was so upset that he began to turn red with anger.
卡尔非常惊讶，红着脸开始生气了。
Sometimes, my grandma decides to buy one big birthday present for both of us.
有时，奶奶决定给我俩就买一件大生日礼物。