Practical system of electrical units
[电] 电气单元的实用系统
🧩 词语组成解析
practical
['præktɪkl]
adj. 实践的，实际的;可实现的，实用的;注重实际的;可用的;
pr=pre提前+act行动，做+ical...的→pract实践+ical...的→实践的；实用的
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];
n. 单位
🗣️ 情景例句
Do what you are told.
叫你怎么做，你就怎么做。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
Other Indians were killed when police officers fiercely attacked their political marches.
警察官员们猛烈攻击印度人的政治游行时，另一些印度人被杀害。