Ethiopsite
硫化汞
🗣️ 情景例句
Sorry, I have to say good-bye.
我不得不说再见了。
We can't fly our kites any more because the wind has stopped.
由于风静止，所以已经没法放风筝了。
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。