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pentoxide

/ˈpɛnˌtɑksaɪd/ /ˈpɛnˌtɒksaɪd/

Meanings
noun

五氧化物

Any oxide containing five oxygen atoms in each molecule

Examples :

"The chemist explained that dinitrogen pentoxide is a dangerous compound because it reacts violently with water. "
那位化学家解释说，五氧化二氮是一种危险的化合物，因为它与水剧烈反应。
chemistry compound substance element

Related Words

Illustration compound

compound noun

/ˈkɒmpaʊnd/ /ˈkɑmpaʊnd/ /kəmˈpaʊnd/

营地，集中营。

"The prisoners were kept in a secure compound. "

囚犯们被关在一个戒备森严的营地里。

Illustration reacts

reacts noun

/riˈæks/

表情符号，表情回应

"Sad reacts only"

只接受悲伤的表情回应.

Illustration because

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。

Illustration violently

violently adverb

/ˈvaɪ(ə)ləntli/

猛烈地，暴力地。

"The wind blew the door shut violently, making everyone jump. "

风猛烈地把门吹关上，吓了大家一跳。

Illustration chemist

chemist noun

/ˈkɛmɪst/

化学家，化学工作者

"The chemist carefully measured the ingredients for the baking soda volcano experiment in science class. "

那位化学工作者在科学课上小心地测量了小苏打火山实验的各种成分。

Illustration oxygen

oxygen noun

/ˈɒksɪdʒən/

氧气，氧。

"We need oxygen to breathe. "

我们需要氧气来呼吸。

Illustration containing

containing verb

/kənˈteɪnɪŋ/

包含，容纳。

"The box containing my old toys was stored in the attic. "

装有我旧玩具的箱子被储存在阁楼里。

Illustration oxide

oxide noun

/ˈɒksaɪd/

氧化物

"Rust is an iron oxide. "

铁锈是一种氧化物。

Illustration explained

explained verb

/ɪkˈspleɪnd/

解释，说明，阐明。

"To explain a chapter of the Bible."

解释《圣经》的一章.

Illustration dangerous

dangerous adjective

/ˈdeɪnd͡ʒ(ə)ɹəs/ /ˈdeɪnd͡ʒəɹəs/

危险的， hazardous 的

"Railway crossings without gates are highly dangerous."

没有栏杆的铁路道口非常危险。

Illustration atoms

atoms noun

/ˈatəmz/

原子

"The air we breathe is made of tiny atoms like oxygen and nitrogen. "

我们呼吸的空气是由微小的原子构成的，比如氧原子和氮原子。

Illustration molecule

molecule noun

/ˈmɒləkjuːl/ /ˈmɑləkjul/

分子

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

氯化氢是一种双原子分子，它由一个氢原子和一个氯原子构成。