Word · Frequency #12304
hardnesses
硬度;坚硬
hardnesses is the plural of hardness.
核心释义
The quality of being hard; resistance to pressure or scratching, measured on the Mohs scale.
- 1.
坚硬的性质;硬度。
The quality of being hard.
- 2.
刚性和抗压的特性;不易划伤;用莫氏硬度计量
the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
- 3.
这种性质的一个实例;艰难,困苦。
An instance of this quality; hardship.
- 4.
含有溶解矿物盐的水质,阻止肥皂起泡的特性
a quality of water that contains dissolved mineral salts that prevent soap from lathering
- 5.
溶解在水中的碳酸钙的量,通常以百万分率(ppm)表示。
The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).
- 6.
无情或冷酷
devoid of passion or feeling; hardheartedness
- 7.
金属或其他固体材料对刮擦、切割、压痕或磨损的抵抗能力。
The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.
- 8.
电磁辐射(如X射线)的穿透能力;通常波长越短,辐射越硬,穿透力越强。
The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation.
- 9.
设施、设备、装置或电信基础设施在遭受攻击时抵抗损坏的度量。
The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack.
- 10.
衡量材料硬度的一种度量。
A measure of how hard a material is.
坚硬的性质;硬度。;刚性和抗压的特性;不易划伤;用莫氏硬度计量;这种性质的一个实例;艰难,困苦。;含有溶解矿物盐的水质,阻止肥皂起泡的特性;溶解在水中的碳酸钙的量,通常以百万分率(ppm)表示。
用法In use
The hardness of diamond makes it useful for cutting glass.
用法提示:hardness 在此句中指材料抵抗刮擦的性质,即“硬度”。
You can compare the hardness of minerals using the Mohs scale.
用法提示:hardness 表示矿物抵抗刻划的物理属性。
The hardness of this steel is tested before it is used in building.
用法提示:hardness 指钢材坚硬、不易变形的程度。
the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present
the hardness of [material]
hardness 通常作不可数名词,表示某物的坚硬程度,常与 of 连用。
The hardness of steel makes it a common choice for tools.
相关词与表达Connections
搭配Collocations
- hardness test
- 硬度测试
- The engineer carried out a hardness test on the metal sample.工程师对金属样品进行了硬度测试。
- water hardness
- 水硬度
- High water hardness can leave white deposits on faucets.高水硬度会在水龙头上留下白色沉积物。
- Mohs hardness
- 莫氏硬度
- Diamond has a Mohs hardness of 10.钻石的莫氏硬度为10。
- Vickers hardness
- 维氏硬度
- The Vickers hardness of this ceramic is exceptionally high.这种陶瓷的维氏硬度异常高。
- hardness value
- 硬度值
学习提示Learner notes
记忆技巧Memory Tip
把 hard(硬)和名词后缀 -ness 连在一起,就是“硬度”;想象钻石在莫氏硬度表上划玻璃。
语境与语域Context & Register
语域:formal 常见场景:材料科学、矿物学、物理测试、工程技术 表示物理性质“硬度”时,通常用于材料科学、矿物学等正式或技术性语境;日常口语中较少单独使用,比较常见于硬度测试、摩氏硬度等书面表达。
发音与拼写Pronunciation & Spelling
这些词都以 -ness 结尾,后缀发音为 /nəs/,但都不与 hardness /ˈhɑrdnəs/ 完全押韵,因为 hardness 的重读元音 /ɑr/ 后还有 /d/ 音,形成 /-rd nəs/。注意 harness /ˈhɑrnəs/ 拼写与 hardness 很像,但缺少 /d/ 音,读音不同。darkness /ˈdɑrknəs/ 和 sharpness /ˈʃɑrpnəs/ 虽然也有 /ɑr/,但后面分别接 /k/ 和 /p/,不押韵;witness /ˈwɪtnəs/ 和 kindness /ˈkaɪndnəs/ 的元音也各不相同。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.