Dental impression
[醫] 牙印模
?? 詞語組成解析
dental
['dentl]
adj. 牙齒的;牙科的;（輔音）齒音的;
n. 齒音;
??? 情景例句
Is something the matter, Grandpa?
怎么了，爺爺？
You can never tell.
不知道。
The nomads who made these markings lived by hunting and fishing during the last Ice Age which began about 35,000 B.C.and ended about 10,000 B.C.
這些痕跡是游牧人留下的，他們生活在從公元前約35，000年到公元前10，000年的冰川期的末期，以狩獵、捕魚為生。