Aerohydrodynamics
空气流体动力学
🗣️ 情景例句
It's our first date.
这是我们的第一次约会。
Nature abhors a vacuum.
自然界里是没有真空的。
Is that true? said Lucy. She was surprised. Is it a real king's hat?
“是真的吗？”露西问。她感到惊奇。“那真的是国王的帽子？”