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- The primordia of calyx occur in late April. 花萼原体于四月下旬出现；
- The primordia of sepal occur in early September. 十月上旬花萼原体出现，花冠裂片、第一轮雄蕊、第二轮雄蕊与心皮原体于十月中旬后陆续形成出现。
- What will the world of tooth care look like then? 那么，到那时牙齿保健领域会是一派什么景象呢?
- What kind of tooth - paste do you want ? 你要哪种牙膏?
- primordia of tooth 牙始基
- I need to buy a can of tooth paste. 我需要买一筒牙膏了。
- Use the shape area on the gap of tooth. 牙齿和牙齿之间，请以尖端部分擦拭。
- I pick up a leaflet about the care of teeth. 我拿起一张宣传保护牙齿的传单。
- Cleanness of teeth in that area make many people die. 那个地区的食物缺乏导致多人死亡。
- The advice was not restricted to the prevention of tooth decay. 这个忠告并不仅仅局限于预防龋齿。
- We have many kinds of tooth paste, which would you like to buy? 我们有许多种牙膏，您想买哪一种?
- This kind of tooth brush is eight cents cheaper than that kind. 这种牙刷比那种便宜八分钱。
- DMFT,DMFS and the ratio of tooth filled were counted. 少部分儿童乳牙龋患严重;
- XE --- Rack shift coefficient for adjustment of tooth thickness . 按照字面是：调节齿厚的齿条位移系数。
- The primordia of corolla lobe, stamen and carpel emerged successively after mid September. 花萼5枚。
- Primordium (pl. primodia) A collection of cells that differentiates into a specialized cell, tissue or organ, e.g. the apical shoot and apical root primordia of the embryo. 原基：指能分化出特化的细胞、组织或器官的少数细胞，如胚芽原基和胚根原基。
- This kind of tooth brush is eight cents cheaper than that kind . 这种牙刷比那种便宜八分钱。
- Results: At the 9(superscript th) week of fetal age, no apoptosis lymphocyte was seen in the primordium of the MLNs. 结果：9周，人胎肠系膜淋巴结原基内未见凋亡的淋巴细胞。
- The type,number,and arrangement of a set of teeth. 牙列，齿系牙床的类型、数目和安排。
- He wears a broad grin,display twin stump of teeth. 他咧嘴笑著，露出一对残牙。
