Bond energy of covalent bond
[化] 共价键键能
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
a. 共有原子价的, 共价的
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
Let's go to the station to get a train into town.
我们到火车站去乘车进城。
Many people have been out of work recently.
最近有许多人失业。