Copperheadism
n. 美国内战时北方人对南方的同情
🗣️ 情景例句
I never liked that umbrella stand.
我一直嫌那伞架碍事。
Leave me alone!
别管我！不要理我！
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。