您要查找的是不是：
- Sealed cobalt source 密封钴源
- The news comes from a reliable source. 这消息来自可靠的来源。
- Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了。
- 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。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- The computer disk is sent in a sealed container. 计算机软盘装在密封的盒里寄出。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- 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。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- 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。
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- The tube is sealed at both ends. 这管子两端是密封的。
- They sealed the bargain with a handshake. 他们握手成交。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- He signed and sealed the document. 他在文件上签字加封。
- The groundwork or source of something. 基础，根源某事物的基础工作或根源
