Diceros simus
un. 白犀
🧩 词语组成解析
n. 非洲双角犀属；黑犀属\\n
🗣️ 情景例句
He prays every night before sleep.
他每晚睡觉着都祈祷。
Rats leave (or desert or forsake) a sinking ship.
船沈鼠先窜。
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。