Semipermeability
半滲透性
??? 情景例句
Dad works hard, and he works late.
爸爸工作忙， 而且忙到很晚。
I will assist you in any way I can.
只要能做到的，我什么事情都愿為你做。
I often visited The Gables when I was boy.
我小時(shí)候常去“山墻莊園”作客。