Colour fastness to acids
[化] 耐酸牢度; 耐酸色牢度
🧩 词语组成解析
colour
['kʌlɚ]
n. 颜色;肤色;彩色;（用于服装、旗帜等代表团队、学校、政党或国家的）色彩;
vt. （用颜料、彩色笔等）为…着色;粉饰;歪曲;使脸红;
vi. 变色;
fastness
[['fɑ:stnis]]
n. 要塞, 巩固, 迅速\\n[医] 抗拒性
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
n. 酸, 酸类；有酸味的东西（acid的复数）
🗣️ 情景例句
Very good. But, unless I miss my guess, you should say something about your family, too.
非常好，但是我除非我想错了，不然你应该谈谈你的家庭。
Would you mind not spitting everywhere?
不要随地吐痰行吗？
As soon as he had got into the car, I said good morning to him in French and he replied in the same language.
他一上车，我就用法语向他问早上好，他也同样用法语回答我。