Trimask structure
[计] 三次掩蔽结构
🧩 词语组成解析
[计] 三次掩蔽
🗣️ 情景例句
Yes? Can I do something for you?
什么事？我能为您效劳吗？
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
He looked pale and his clothes were in a frightful state.
他面色苍白，衣服也搞得不成样子。