Octane carboxylic acid
[化] 壬酸
🧩 词语组成解析
n. 辛烷\\n[化] 辛烷; 正辛烷; 辛烷; 辛级烷
[机] 羧基的
🗣️ 情景例句
How do you spend your leisure time?
你是怎样打发业余时间的？
The mill cannot grind with the water that is past.
覆水难收。
But can we blame those who looked and failed to see what Galileo saw, if we remember that to use a telescope at the limit of its powers calls for long experience and intimate familiarity with one's instrument?
但是，如果我们想到，便用一架倍数有限的望远镜需要长期的经验和对自己仪器的熟悉程度，那么我们怎么能去责备观察了天空但没有看到伽利略所看到的东西的那些人呢？