- fight tooth and nail激烈争斗;
- germ warfaren.细菌战争;
- germ plasmn.种质;生殖细胞的细胞质;遗传物质;基因;
- germ layern.胚叶，胚层;
- germ celln.生殖细胞;精子;卵子;受精卵;
- tooth wear牙齿磨损;
- tooth powdern.牙粉;
- tooth paste牙膏;
- tooth fairyn.牙仙（传说中如果儿童把脱落的牙齿放在枕下，牙仙会在他们睡着时把牙齿取走，留下硬币）;
- tooth decay蛀牙;
- tooth crown齿轮轮周;
- Tooth color牙色;
- tooth brush牙刷;
- tooth and nailv.拼命;
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