radioisotope

/ˌreɪdi.oʊˈaɪsəˌtoʊp/ /ˌreɪdi.oʊˈaɪsoʊˌtoʊp/

Meanings

noun

放射性同位素, 放射性核素

A radioactive isotope of an element

Examples :

"Doctors use a radioisotope to scan for problems in the thyroid gland. "

医生们使用放射性同位素来扫描甲状腺，以检查是否存在问题。

Related Words

scan noun

/skæn/

仔细检查, 扫描.

"The scan of the student's work showed several areas needing improvement. "

对学生作业的仔细检查显示有几个地方需要改进。

radioactive noun

/ˌɹeɪdioʊˈaktɪv/ /ˌɹeɪdioʊˈæktɪv/

放射性物质，放射物

"The radioactive was carefully stored in a lead-lined container at the science lab. "

科学实验室里，那些放射性物质被小心地储存在一个铅衬容器中。

element noun

/ˈɛlɪmənt/

要素，成分，元素。

"Letters are the elements of written language."

字母是书面语言的基本要素。

of preposition

/ɔv/ /ɒv/ /ə/ /ʌv/

的, 从

"The school is located five miles of the town center. "

学校位于离市中心五英里的地方.

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for conjunction

/fɔːr/

因为

"I went home, for I was tired."

我回家了，因为我累了。

isotope noun

/ˈaɪ.sə.təʊp/ /ˈaɪ.sə.toʊp/

同位素

"Carbon has several isotopes, including carbon-12 and carbon-14, which have the same number of protons but different numbers of neutrons. "

碳有几种同位素，包括碳-12和碳-14，它们的质子数相同，但中子数不同。

the adverb

/ði/ /ˈðiː/

越...越..., 愈...愈...

"It looks weaker and weaker, the more I think about it."

越想越觉得它很无力。

gland noun

/ɡlænd/

腺体，腺。

"The thyroid gland in your neck produces hormones that regulate your metabolism. "

你脖子里的甲状腺会产生激素，这些激素调节你的新陈代谢。

use noun

/juːz/ /juːs/

使用，用途

"The use of torture has been condemned by the United Nations."

联合国谴责使用酷刑的行为。

thyroid noun

/ˈθaɪ̯ɹɔɪ̯d/

甲状腺

"The doctor examined her thyroid to check for any problems. "

医生检查了她的甲状腺，看看有没有什么问题。

problems noun

/ˈpɹɒbləmz/ /ˈpɹɑbləmz/

问题，难题。

""Many students have problems understanding fractions." "

很多学生在理解分数方面都有困难。

doctors noun

/ˈdɒktəz/ /ˈdɑktɚz/

医生，医师。

"If you still feel unwell tomorrow, see your doctor."

如果你明天还是觉得不舒服，就去看医生吧。