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.
🧩 词语组成解析
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
I have no time for extra-curricular activities.
我可没时间参加课外活动。
I ate eggs for breakfast yesterday.
我昨天早饭吃的是鸡蛋。
I don't think so. Ah! It was Li Lei.
我想不是。啊,是李雷!
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