Acetyl pure yellow
[机] 乙酰纯黄
🧩 词语组成解析
n. 乙酰(基)\\n[化] 乙酰; 乙酰基
yellow
['jɛlo]
adj. 黄色的;黄皮肤的;黄种人的;胆怯的;
vt.& vi. （使某物）变黄或发黄;
n. 黄色;黄种人;黄色颜料;
🗣️ 情景例句
No one lives here by that name.
这里没有人叫那个名字。
What is the total circulation of this weekly magazine.
这家周刊总发行量多少？
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。