Quarternary structure
[化] 四级结构
🧩 词语组成解析
[计] 四元的
🗣️ 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？
He has no choice but to wait.
除了等待，他别无选择。