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- Salt is a common food preservative. 鹽是一種常用的食物防腐劑。
- The scientist patented her invention. 這位科學(xué)家得到她的發(fā)明的專(zhuān)利權。
- Salt has a preservative effect on food. 鹽對食物有防腐作用。
- He painted the posts with a preservative liquid. 他在柱子上涂上了起保護作用的液體。
- He got a patent for this invention. 他獲得了這項發(fā)明的專(zhuān)利權。
- The patent runs out in three years time. 這項專(zhuān)利期限為3年。
- Did you take out a patent on your design? 你是否取得一項設計的專(zhuān)利?
- He kept his invention under cover until it was patented. 在取得專(zhuān)利權以前，他的發(fā)明一直秘而不宣。
- Salt is a preservative for meat. 鹽是肉類(lèi)的防腐劑。
- Infringe a contract; infringe a patent. 違反一項合同; 侵犯專(zhuān)利權
- The patent office needs90 days to wait for any possible opposition. 專(zhuān)利局需要90天的時(shí)間等候任何可能產(chǎn)生的反對意見(jiàn)。
- It was patent to everyone that he disliked the idea. 每個(gè)人都看得出來(lái)他不喜歡這個(gè)主意。
- Only when everything is ok will the patent be registered. 只有一切都順利，才能登記專(zhuān)利。
- The first English patent for a typewriter was issued in1714. 英國第一臺打字機專(zhuān)利證書(shū)是一七一四年頒發(fā)的。
- Preservative is usually added to tinned meat. 防腐劑通常加在肉類(lèi)罐頭里.
- The first English patent for a typewriter was issued in 1714. 英國第一臺打字機專(zhuān)利證書(shū)是一七一四年頒發(fā)的。
- Food Packing: No Preservative Added. 食品包裝：保證不添加防腐劑。
- Mary has taken out a patent for a new invention. 瑪麗取得了一項新發(fā)明的專(zhuān)利權。
- Salt is savory, purifying, preservative. 鹽是有味道的，能除污，能防腐。
- A preservative agent or principle. 防腐劑有助于保存的藥劑或成分
