Defense program
un. 防御计划
🧩 词语组成解析
🗣️ 情景例句
Oh, come on now.
噢， 别这样了。
Please speak a litter louder.
请大声一点。
To protect themselves from the icy water, they had to wear special rubber suits.
湖水冰冷刺骨，他们必须穿上一种特制的橡皮服以保护自己。