[医][=somatotrop(h)ic(growth)hormone]促生长激素;
something [ˈsʌmθɪŋ]某事物
例句:
She whispered sth . in his ear.
她对他悄悄地说了些什么.
Are you trying to hide sth. from me?
你是不是有什么事想瞒着我?
I'd like to ask you about sth ..
跟您 打听 一件事.