Helf
[医][=human embryonic lung fibroblast]人胚肺成纤维细胞
🗣️ 情景例句
Run it by me again, if you don't mind.
不介意的话，请再说一遍。
He took a strong attitude towards her.
他对她采取强硬态度。
As I soon learnt, he was English himself!'
我很快了解到，他自己就是个英国人！