Protona
双氢睪酮
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
What was the weather like yesterday?
象昨天一样的天气？
they are not prepared even to admit the possibility that noise affects people.
甚至不愿承认噪音可能对人有影响。