covalent

/koʊˈveɪlənt/

Meanings

adjective

共价的，共价键的。

Containing or characterized by a covalent bond.

Examples :

"The scientist explained that the strong covalent bonds in the diamond molecule make it extremely hard. "

科学家解释说，金刚石分子中强大的共价键使其非常坚硬。

Related Words

bonds noun

/bɒndz/ /bɑndz/

债券，公债

"The company raised money by selling bonds to investors, promising to pay them interest over time and eventually repay the original amount. "

这家公司通过向投资者出售债券来筹集资金，承诺在一定时期内支付利息，并最终偿还本金。

that noun

/ˈðæt/ /ˈd̪æt/ /ˈðɛt/

那个，那件事。

"My sister brought several books to the library, and that one is about dinosaurs. "

我姐姐带了几本书去图书馆，那本是关于恐龙的。

make noun

/meɪk/

牌子，型号

"What make of car do you drive?"

你开的是什么牌子的车？

bond noun

/bɒnd/ /bɑnd/

债券，公债券。

"My uncle bought a bond to save money for his retirement. "

我叔叔买了一种债券，为了给他的退休攒钱。

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。

extremely adverb

/ɪksˈtɹiːmli/

极其，非常。

"The weather was extremely hot today; we stayed inside all afternoon. "

今天天气极其炎热，我们整个下午都待在室内。

explained verb

/ɪkˈspleɪnd/

解释，说明，阐明。

"To explain a chapter of the Bible."

解释《圣经》的一章.

strong adjective

/stɹɑŋ/ /stɹɒŋ/ /stɹɔŋ/

强壮，健壮。

"a big strong man; Jake was tall and strong"

一个身材高大，非常强壮的男人；杰克又高又壮。

diamond noun

/ˈdaɪ(ə)mənd/

钻石，金刚石

"The saw is coated with diamond."

锯子上涂有金刚石涂层。

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。

characterized verb

/ˈkæɹəktəɹaɪzd/

刻画，描绘，丑化。

"The teacher characterized the student as disruptive in class. "

老师把那个学生描绘成课堂上的捣乱分子。

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。