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
to buy a new house.
来买一栋新房子。
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
The students declared against cheating.
学生们表示反对作弊。