Lithoderma
石皮藻属
🗣️ 情景例句
Are you sure? But ... OK.
你确定吗？ 但……算了。
May I ask you a question?
我可以问一个问题吗？
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。