Hscs
abbr. hematopoietic stem cells 造血干细胞; hepatic stellate cells 肝星形细胞
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？
Sorry to hear that.
听到这个消息我很难受。