Strength grading of cement
[化] 水泥标号
🧩 词语组成解析
[经] 分级, 归类
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];
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
🗣️ 情景例句
Sichuan Food is famous for being hot and spicy.
川菜以麻辣著称。
Can you imagine what it would be like to live without electricity?
你能想象出生活中没有电会是怎么样的一种情形吗？
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！