Leucodrin
银树苦素
🗣️ 情景例句
Why does it have to be one or the other?
为什么非得有这个就没有那个？
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
climbed up the dunes, and sat down on a road.
爬上沙丘，最后停在路上。