Certation
花粉管竞生
🗣️ 情景例句
Where are you going during Summer vacation?
暑假你打算去哪儿？
A wicked book is the wickeder because it cannot repent.
一本坏书危害无穷。
We collected more wood and laid it in a big pile inside the cave.
我们捡了更多的木柴，在山洞里把它堆成大大的一堆。