Saferoute
安全疏散路线
🗣️ 情景例句
One step at a time.
做事要一步一步来。
Is this your book?
这是你的书吗？
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。