Polycladin
波来克黄素
🗣️ 情景例句
I don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
You have no goats,and yet you sell kids.
没有老山羊，还把小羊卖。
What are you doing on Saturday evening?
你星期六晚上要干什么？