Twas
abbr. 第三世界科學院（The Third World Academy of Sciences）
??? 情景例句
Jogging is good for your health.
慢跑有利于你的健康。
Wash a dog, comb a dog, Still a dog, remains a dog.
本性難移。
it is very rarely that one comes across a dead body, except, of course, on the roads.
但是，除非在路上，很少有人遇到這些動物的尸體，