Beta graphite
[机] 贝他石墨
🧩 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
I sold your father that house seventeen years ago.
十七年前我把那栋房子卖给你父亲的。
The college was established in 1940.
该学院建立于1940年。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。