Billisecond
毫微秒(十亿分之一秒)
🗣️ 情景例句
And coming home on Sunday?
星期日回来是吗？
To show off muscles.
展示肌肉。
In our won solar system, for example, Venus is far too hot and Mars is far too cold to support life.
举例来说，在我们的太阳系里，对于生命来说，金星的温度太高，而火星的温度则太低。