Portland cement
n. 波特兰水泥,普通水泥,硅酸盐水泥
📖 牛津释义
Portland cement
type
of cement made from chalk and clay similar in colour to Portland stone 普通水泥; 波特兰水泥.
🔁 扩展释义
【化】 硅酸盐水泥
🧩 词语组成解析
n. 波特兰(美港口)
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
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
That is perhaps why sculpture has been described as the most difficult of all arts;
雕塑被说成是所有艺术中最难的艺术，可能就是这个道理。