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
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
Choose an author as you choose a friend.
选书如择友。
The crowd suddenly grew quiet.
观众突然静了下来，可这醉汉像是很有把握似的。