Quarternary structure
[化] 四级结构
🧩 词语组成解析
[计] 四元的
🗣️ 情景例句
Robbie, we'll go fishing soon, Robbie
啊， 我们很快就会去。
As the inner life is, so will be the language.
言为心声。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。