Cement(-sand) mortar
[化] 水泥砂浆
🧩 词语组成解析
mortar
['mɔ:tə]
n. 迫击炮;砂浆;房产;研钵;
vt.& vi. 用迫击炮攻击（或袭击）;用灰泥涂抹[结合];
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。