Polystep reaction
[化] 多步反应
🧩 词语组成解析
🗣️ 情景例句
Am I glad to see you!
我看到你， 真的很高兴！
How much is this land per acre?
每英亩地要多少钱？
Four days after setting out, while the Titanic was sailing across the icy water of the North Atlantic,
“泰坦尼克”起航后的第4天，它正行驶在北大西洋冰冷的海面上。