Anthracene oil
[化] 蒽油
🧩 词语组成解析
n. 蒽\\n[化] 蒽
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
His visit was well timed.
他的访问正合时宜。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，