1. 凹陷：densification 密实化 | denting 凹陷 | deoxygenated water cooler 除氧水冷却器

2. 穿筘：dentine /象牙质/牙本质/ | denting /穿筘/ | dentinoid /前期牙本质/牙本质瘤/

3. 凹陷腐蚀：density measurement 密度测量 | denting 凹陷腐蚀 | denude 溶蚀,剥蚀

4. 凹陷[损害]：故意损害条款 deliberate damage clause | 凹陷[损害] denting | 押金;保证金;预防 deposit