Dard
n. (=Dardic)印度河上游的各种印度语
🗣️ 情景例句
Craft and Craft.
Craft and Craft。
A close mouth catches no flies.
病从口入，祸从口出。
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。