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iridium

/ɪˈɹɪdiəm/

Meanings
noun

铱

A chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.

Examples :

"Because of its extreme hardness and resistance to corrosion, iridium is used in specialized electrical contacts and scientific instruments. "
由于铱的极高硬度和耐腐蚀性，它被用于制造特殊的电触点和科学仪器。
element chemistry material substance science

Related Words

Illustration microscope

microscope noun

/ˈmaɪkɹəˌskəʊp/ /ˈmaɪkɹəˌskoʊp/

显微镜

"The student used a microscope to see the tiny cells in the plant leaf. "

学生用显微镜观察植物叶片里的微小细胞。

Illustration specialized

specialized verb

/ˈspɛʃəˌlaɪzd/ /ˈspɛʃəˌlaɪzd/

专门化，专业化。

"The chef specialized his menu, separating the vegetarian dishes from the meat dishes. "

厨师专门设计了他的菜单，把素菜和荤菜分开列出。

Illustration platinum

platinum noun

/ˈplæt.nəm/

铂，白金

"My grandmother's wedding ring is made of platinum. "

我奶奶的结婚戒指是铂金做的。

Illustration resistance

resistance noun

/ɹɪˈzɪstəns/

抵抗，阻力

"the resistance of bacteria to certain antibiotics"

细菌对某些抗生素的抵抗力

Illustration carefully

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

小心地，谨慎地，细致地

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

他小心地听着母亲的担忧，为她的失望感到难过。(Tā xiǎoxīn de tīngzhe mǔqīn de dānyōu, wèi tā de shīwàng gǎndào nánguò.)

Illustration scientific

scientific adjective

/ˌsaɪənˈtɪfɪk/

科学的，学术的

"The scientific method is important in my school science class. "

在我的学校科学课上，科学的方法非常重要。

Illustration electrical

electrical noun

/ɪˈlɛktɹɪkəl/

电气工程师，电机工程师

"My brother is a talented electrical. "

我弟弟是个很有才华的电气工程师。

Illustration instruments

instruments noun

/ˈɪnstɹəmənts/

乐器，乐器设备。

"The violinist was a master of her instrument."

那位小提琴家精通她的乐器。

Illustration corrosion

corrosion noun

/kəˈɹəʊʒən/ /kəˈɹoʊʒən/

腐蚀，侵蚀。

"The rust on the old car is a clear sign of corrosion. "

那辆旧车上的铁锈是腐蚀的明显迹象。

Illustration transition

transition noun

/tɹænˈzɪʃən/

转变，过渡。

"The transition from elementary school to middle school was difficult for many students. "

从小学到中学的过渡对很多学生来说都比较困难。

Illustration scientist

scientist noun

/ˈsaɪ.ən.tɪst/

科学家，科学工作者。

"The scientist studied the effects of different types of soil on plant growth. "

那位科学家研究了不同类型的土壤对植物生长的影响。

Illustration chemical

chemical noun

/ˈkɛmɪkəl/

化学物质，化学品

"The scientist studied the chemical composition of the soil sample. "

这位科学家研究了土壤样本的化学物质组成。