Hydroxynitrate
碱式硝酸盐
🗣️ 情景例句
How much do you need?
你需要多少钱？
She won't be in until 10:45, so the earliest would be 11:00.
她要到10:45才来，所以最早也得到11点才能看。
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，