Helf
[医][=human embryonic lung fibroblast]人胚肺成纤维细胞
🗣️ 情景例句
Hmmm.
嗯。
What shall I send him for his birthday?
我要送他什么东西作为生日礼物？
was headed with a striking illustration of a lady in a state of considerable distress,
文章上方有一幅引人注目的插图，是一位表情沮丧的女子。