扣: Ⅰ动词1.(套住或搭住) button up; buckle 短语和例子把门扣上 latch [bolt] the door; 把皮带扣上 buckle a belt; 把衣服扣上 button (up) one's coat; 扣钮扣 do up the buttons2.(把有口的器物倒过来或罩在别的东西上) place a cup, bowl etc. upside
密封: seal; seal up; seal airtight; seal hermetically; encapsulation lutation; hermetic sealing; sealing; sealing off; enclosing 短语和例子密封的罐头 sealed tin; 密封的容器 hermetically sealed chamber; 密封的文件 s
