Srf
血清响应因子
🗣️ 情景例句
I can't understand a word anyone is saying.
我一句也不明白他们在说什么。
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
It's about 400 yards from here.
离这儿大约有400码。