5 sentences for 核 (hé — nucleus)

1. 这座核反应堆已投入运行。

   zhè zuò hé fǎn​yìng​duī yǐ tóu​rù yùn​xíng.

   This nuclear reactor has already been put into operation.

   Source: Dong Chinese Dictionary

2. 真正重要的是我们的核导弹。

   zhēn​zhèng zhòng​yào de shì wǒ​men de hé dǎo​dàn.

   What really matters is our nuclear missiles.

   Source: OpenSubtitles

3. 这种导弹可以携带多个核弹头。

   zhè zhǒng dǎo​dàn kě​yǐ xié​dài duō gè hé dàn​tóu.

   This missile can carry multiple nuclear warheads.

   Source: Dong Chinese Dictionary

4. 原子的质量几乎全部集中在核上。

   yuán​zǐ de zhì​liàng jī​hū quán​bù jí​zhōng zài hé shàng.

   Almost all the mass of an atom is concentrated in the nucleus.

   Source: Dong Chinese Dictionary

5. 科学家正在研究如何安全地处理核反应堆中产生的钚。

   kē​xué​jiā zhèng​zài yán​jiū rú​hé ān​quán de chǔ​lǐ hé fǎn​yìng​duī zhōng chǎn​shēng de bù.

   Scientists are researching how to safely dispose of the plutonium produced in nuclear reactors.

   Source: Dong Chinese Dictionary