Spergon
四氯对醌
🗣️ 情景例句
But this is what you've been working for all these years.
但你多年来的工作 为的就是这个呀。
Who do you want to speak to ?
你要跟谁讲话？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，