Thymosin
n. [生化]胸腺素(由胸腺分泌的一种能刺激淋巴细胞合成和成熟的多肽激素)
🗣️ 情景例句
Just fill out this form for me.
请把这份表填好。
The old man fumbled with the key in the dark.
老人在黑暗中摸索着寻找钥匙。
What did Wang Wei write about in her letter?
王伟在信里写了什么？