Polypodiophyta
水龙骨门
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
Mary gave birth to a baby last week.
玛丽上星期做妈妈了。
Oh, yes, Mr. Chou. We've been looking forward to this.
啊，周先生，我们一直在等着您来。