sealing
/ˈsiːlɪŋ/ 21中考高考四级六级考研雅思托福The seal on a container or opening is the part where it has been sealed. (容器、开口等) 封了的部分
noun [专属名词]猎捕海豹；封闭；密封
Make sure you've signed the cheque before sealing the envelope.
一定要在支票上签了名再封信封。
verb [vt. 及物动词]系紧，封牢；快速煎炸；加封，盖印；达成，确保（seal 的现在分词）
Your kit should be waterproof; however, sealing your supplies inside of zipper baggies is usually the job all you need to do.
你的急救工具箱必须是防水的；不过，你通常需要做的工作就是密封拉链袋里面的用品。
单词造句:
- 网友用“Sealing”造句精选
- The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them. 最大的进步开始于1800年，当时法国人尼古拉斯·阿佩尔发现，他可以把某些食物密封在罐子里，不让空气进入。