Quaternary halide
[化] 卤化季盐
🧩 词语组成解析
a. 四个一组的, 四元的, 四价的, 季的\\n[计] 四进制的, 四元的
n. 卤化物\\na. 卤化物的
🗣️ 情景例句
Sam, this is Susan. Sam
我是Susan。
No,that's not my book.
不，那不是我的书。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。