Dinitration
二硝化作用
🗣️ 情景例句
What's the capital city of France?
法国的首都是哪里？
Who is the greatest writer of our times?
谁是当代最伟大的作家？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，