Ultravacuum
超真空
🗣️ 情景例句
Twenty-one inches.
二十一英尺。
How much does it cost to rent a mid-size car?
租一辆中型汽车要多少钱？
Errors and uncertainties multiply, cascading upward through a chain of turbulent features,
错误和不可靠性上升，接踵而来的是一系列湍流的微状，