您要查找的是不是：
- epoxy seal transistor 环氧树脂封装晶体管
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- He devises a new type of transistor. 他发明了一种新的晶体管。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- The old man always carries about a transistor. 这位老人总是随身携带一台晶体管收音机。
- This document carries the royal seal. 这份文件上盖有王室印章。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- He impressed his seal on the wax. 他在火漆上盖了他的私章。
- The deal needs the government's seal of approval. 这一交易需经政府批准。
- Seal (up) the window to prevent draughts. 把窗户封起来以防风。
- A round seal affixed to a papal bull. 印玺一个圆形的教皇的正式宣布训令或法令的封印
- The old man took her transistor everywhere with him. 这个老人随时都带着他的半导体收音机。
- She forgot to seal her letter before mailing it. 她忘记在寄信前将信封上。
- The experience set the seal on their friendship. 这一经历确定了他们的友谊。
- He affixed his seal to the document. 他在文件上盖了印。
- Their handshake was a seal of friendship. 他们的握手是友谊的象徵。
- Do you know how much a seal coat is? 你知道海豹皮大衣多少钱一件?
- The firm excels at producing cheap transistor radios. 这家公司在生产价廉的晶体管收音机方面胜于其他公司。
- The envelope's seal was torn open. 信封封缄被撕开了。
