System of units
[化] 单位制
🧩 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];
n. 单位
🗣️ 情景例句
Well, I care about the children of our town.
噢， 我关心我们镇上的孩子们。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。