Helf
[医][=human embryonic lung fibroblast]人胚肺成纤维细胞
🗣️ 情景例句
You'll have your tonsils out tomorrow,
明天你的扁桃腺一切除，
Remember me to your father please.
请替我问候你的父亲。
Whose sweaters are these?
这些都是谁的毛衣？