Chaetocin
毛殼素
??? 情景例句
and my math teacher's going to miss her.
而我的數學老師也會想念她。
In fact she's 20 years old.
她只有二十歲。
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，依賴這種研究的很多工藝程序是在完全保密的情況下進行的，直到可以取得專利權的階段為止。