Precolonial
a. 沦为殖民地前的,殖民地时期前的
🗣️ 情景例句
Come here.
过来这儿。
Whoever.
无论邀请谁。
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。