Beckmann molecular transformation
[机] 贝克曼分子转换
🧩 词语组成解析
[机] 贝克曼
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
Deep rivers move in silence, shallow brooks are noisy.
深水静静流，浅溪潺潺流。
Take care. The pan's very hot.
当心，锅很烫。