Malmstone
灰砂岩
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
Many dishes,many diseases.
食多病多。
I saw him playing football on the playground.
我看见他在操场上踢足球。