🧩 词语组成解析
mammoth
['mæməθ]
n. [动]猛玛（象）;庞然大物;
adj. 庞大的，巨大的;
🗣️ 情景例句
Let's get the ball rolling.
让我们开始吧。
Good to begin well, better to end well.
善始好，善终更好。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。