alumina

/əˈl(j)uːmɪnə/

Meanings

noun

氧化铝

Aluminum oxide, especially when used in mining, material sciences or ceramics.

Examples :

"The ceramic mug is strong and heat-resistant because it's made with a high percentage of alumina. "

这种陶瓷杯非常坚固耐热，因为它是用高比例的氧化铝制成的。

Related Words

mining verb

/ˈmaɪnɪŋ/

开采，采矿。

"The company is mining for gold in the remote mountains. "

这家公司正在偏远山区开采金矿。

percentage noun

/pəˈsɛntɪd͡ʒ/ /pɚˈsɛntɪd͡ʒ/

百分比，百分率

"A high percentage of secondary school leavers take a gap year."

有很高比例的中学毕业生会选择间隔年。

because adverb

/bɪˈkɒz/ /biˈkɔz/

因为，由于。

"I went to the park because the weather was nice. "

因为天气很好，所以我去了公园。

especially adverb

/əˈspɛʃ(ə)li/

特别，尤其。

"My sister is very helpful, especially when it comes to organizing things. "

我妹妹很乐于助人，尤其是在整理东西方面。

ceramics noun

/səˈræmɪks/ /kəˈræmɪks/

陶瓷，陶器

"Joan made the dish from ceramic."

琼用陶瓷做了这个盘子。

resistant noun

/rɪˈzɪstənt/ /rəˈzɪstənt/

抵抗者，反抗者

"The student was a strong resistant, leading the group in their peaceful protest against the unfair school rules. "

那个学生是个坚决的抵抗者，带领大家和平抗议不公正的校规。

material noun

/məˈtɪəɹɪəl/ /məˈtɪɹi.əl/

材料，材质

"Asphalt, composed of oil and sand, is a widely used material for roads."

沥青是由石油和沙子组成的，是一种广泛使用的道路材料。

oxide noun

/ˈɒksaɪd/

氧化物

"Rust is an iron oxide. "

铁锈是一种氧化物。

aluminum noun

/ə.ˈluː.mɨ.nəm/

铝，铝金属。

"My bicycle's frame is made of aluminum. "

我的自行车的车架是用铝做的。

ceramic noun

/səˈɹæmɪk/

陶瓷，陶瓷制品