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- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- The earth is divided into 24 time zones. 地球被分为二十四个时区。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- Ostracod fossil zones 介形类化石带
- fossil zones 上白垩统
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石，如花粉粒或单细胞有机体的化石
- If we squander our fossil fuels, we threaten civilization. 如果我们浪费矿物燃料，我们就威胁文明。
- Some people live in Torrid Zone. 有些人生活在热带。
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
- The gossip tossed the mossy blossom fossil. 爱讲闲话者向上抛长满苔藓的花化石。
- A finite list of choices; our finite fossil fuel reserves. 为数有限的选择; 我们有限的矿物燃料贮量
- The solid matter in which a fossil or crystal is embedded. 基质，脉石嵌有化石或水晶的固体物质
- They are pulling their troops out of the battle zone. 他们正把部队调离战区。
- Coal is usually referred to as a fossil fuel. 煤通常被称为矿物燃料。
- They have declared their country a, nuclear-free zone. 他们宣布本国为无核区。
