Extinct volcano
死火山
🧩 词语组成解析
🗣️ 情景例句
Have a good time.
好好玩。
I am very happy that you have finally established a branch in Guangzhou.
我非常高兴你们最终把分支机构建在广州。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。