Siecus
[医][=Sex Information and Education Council of the United States]美国性知识教育理事会
🗣️ 情景例句
It's a serious matter for a lot of us.
对我们许多人来说这可是个严重的问题。
Empty wagons rattle loudest.
空车响声大。
No, it isn't. Ask that woman. I think it's her bike.
不，不是我的。问问那个妇女吗。我想这是她的自行车。