Serum ferment
[医] 血清酶
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
You make me feel so proud to be part of our family.
你让我以成为我们家庭的一员而自豪。
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
There is another good reason for taking a part-time job.
干兼职工作还有一条充分的理由。