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- He will take an oral examination. 他将接受口试。
- My oral English is pretty rusty. 我的英语口语全荒废了。
- 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?
- Tongue twisters are used in our oral practice. 我们在口语练习中用饶口令。
- The oral opening in an earthworm is small. 蚯蚓的口是很小的。
- The doctor prescribed an oral dose of medicine. 医生开了一剂口服药。
- oral fossilization 口语僵化现象
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- The old man told us a story passed on by oral tradition. 老人给我们讲述了一个口头流传的故事。
- An oral thermometer; an oral vaccine. 口用体温计; 口服菌苗
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- 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。
- She snatched at every chance to practice her oral English. 她把握一切机会练习英语口语。
- An oral agreement is not enough; we must have a written promise. 只有口头协议是不够的; 我们必须有一个书面承诺。
- 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
