Helf
[医][=human embryonic lung fibroblast]人胚肺成纤维细胞
🗣️ 情景例句
Know what? Aren't you going to tell me?
什么事？你不打算告诉我吗？
Rome was not built in a (or one) day.
罗马不是一日建成的。
Hello.
你好。