您要查找的是不是：
- important and dangerous source 重大危险源
- The fate of Earthsea will be determined by the outcome of far more important and dangerous challenges than Ged ever dreamed. 格得发现自己拥有魔法力量后，便开始寻求成为古代魔法大师的途径。
- Storage: Stow away from immediate and dangerous sources of ignition. Danger of electrostatic charges when stored in very dry areas. 库存：堆放和库存在远离易燃，危险火源处；干燥处储存有静电起火的危险。
- A coal miner's job is dirty and dangerous at best. 即使是在最好的条件下，煤矿工人的工作也是又脏又危险的。
- Travel in the mountains can be slow and dangerous. 走山路有时候又慢又危险。
- The expedition through the jungle was fraught with difficulties and danger. 穿越森林的探险充满了艰辛和危险。
- I shield it from the greedy and dangerous world. 我保护它使之脱离这贪婪并且危险的社会。
- The word was to him extravagant and dangerous. 这话在他听来既放肆又可怕。
- Your perfidious gossip is malicious and dangerous. 你说的那些背信弃义的话是很刻毒险恶的。
- Silent men,like still water,are deep and dangerous. 沉默的人如同静水，既深又危险。
- Rose: Why? Isn't it a hassle and dangerous as well? 萝丝:为什麽?不是既麻烦又有风险吗?
- It is important and useful for sb. To do sth. 做某事对某人重要有用。
- It was a sketchy, inadequate and dangerous scheme. 这是一个粗略的、考虑不周而且危险的计划。
- They planed to narrow the gap between imports and exports. 他们计划缩小进出口的差额。
- He is not aware of the risk and danger in his trip. 他没有意识到旅行中的风险。
- They are engaged in import and export. 他们做进出口贸易。
- Suspects considered armed and dangerous. 嫌犯可能携带枪支,十分危险。
- This is very important and you must do your best. 这件事十分重要，你必须尽心尽力去办。
- Mined-out area is one of major dangerous source to affect the safety in mining. 摘要采空区是影响矿山安全生产的主要危险源之一。
- Brinkmanship is a subtle and dangerous strategy. 边缘政策是一个微妙和危险的策略。
