helium
英 ['hi?l??m]
美['hil??m]
- n. [化學(xué)] 氦（符號(hào)為He，2號(hào)元素）
實(shí)用場(chǎng)景例句
- Helium is a very light gas.
- 氦是一種非常輕的氣體。
柯林斯例句
- Helium is a gas used in balloons.
- 氦是一種用于氣球的氣體.
《現(xiàn)代漢英綜合大詞典》
- Unlike helium - 4, it cannot be produced by radioactive decay.
- 與氦 - 4不同之處是, 氦-3不能由放射性衰變產(chǎn)生.
英漢非文學(xué) - 科技
- The helium - 3 apparently became trapped when the earth was formed.
- 顯然,當(dāng)?shù)厍蛐纬蓵r(shí),氦 - 3就被圈閉了.
英漢非文學(xué) - 科技
- After hydrogen, the atom with the simplest structure is that of helium.
- 在氫元素之后, 氦的原子結(jié)構(gòu)最簡(jiǎn)單.
辭典例句
- Hydrogen might be depleted with some of it turning into helium.
- 氫可能被耗盡,一部分變?yōu)楹?
辭典例句
- The discovery also explains why helium is found in radioactive mineral deposits.
- 這個(gè)發(fā)現(xiàn)也解釋了為什么在放射性礦渣中找到了氦.
辭典例句
- A fountain of helium spurt out of the tube.
- 有一股氦的噴泉從小管中噴出.
辭典例句
- Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
- α粒子是從天然放射性蛻變得到的帶正電的氦核.
辭典例句
- The bizarre behavior of superfluid helium has attracted many able theorists.
- 超流體氦這些異乎尋常的行為吸引了許多有才干的理論物理學(xué)家.
辭典例句
- Helium is a noble gas.
- 氦氣是惰性氣體.
辭典例句
- Helium and neon are inert gases.
- 氦和氖為惰性氣體.
辭典例句
- Most big balloons are now filled with helium.
- 現(xiàn)在許多大氣球中充的是氦氣.
辭典例句
- Helium and neon measurements provide further evidence that the earth was not completely melted.
- 氦和氖的測(cè)定,提供了更多的關(guān)于地球并非全部熔融的證據(jù).
英漢非文學(xué) - 科技
- Alpha particles -- helium nuclei -- were being hurled through the tube, in which an artificial mist had been created.
- 粒子 —— 氦核 —— 正通過(guò)試管被拋出, 從而在試管中形成人造迷霧.
英漢非文學(xué) - 科學(xué)史