弘扬国学 · 传承文化

molar

英 ['məʊlə] 美 ['molɚ]

解释

adj. 臼齿的；摩尔的；磨碎的
n. 臼齿，[解剖] 磨牙

※ 提供单词"molar"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

中文词源

molar 磨牙，臼齿

来自拉丁语molaris dens,磨牙，来自molaris,磨，词源同mill,dens,牙齿，词源同tooth.

英文词源

molar: molar: see mill
molar (n.): "grinding tooth," mid-14c., from Latin molaris dens "grinding tooth," from mola "millstone," from PIE root *mel- "to rub, grind" (see mill (n.1)). As an adjective in this sense from 1620s. In Old English they were cweornteð "quern-teeth."
molar (adj.): in chemistry, "pertaining to one mole," 1902, from mole (4) + -ar.

展开全部 ▼

例句和用法

1. Expression of hydrogenion concentrations in terms of molar concentrations is rather cumbersome.: 用摩尔浓度表示氢离子浓度是相当麻烦的.

2. The President sat glumly rubbing his upper molar, saying nothing.: 总统愁眉苦脸地坐在那里,磨着他的上牙, 一句话也没有说.

3. In 1927, at Chou - k'ou - tien, near Peking, a hominid lower molar of unusual pattern was discovered.: 1927年, 在北京附近的周口店发现一颗形状异常的人类下臼齿.

4. Rough calculations obtained by use of molar concentrations rather than activities are sufficient.: 根据克分子浓度而非根据活度得到的粗略计算结果即可满足要求.

5. THE INFLUENCE OF DENTAL FACTORS TO ERUPTION OF THE MANDIBULAR THIRD MOLAR.: 牙齿因素对下颌第三磨牙萌出的影响.