Plattner mortar
[化] 冲击钵
🧩 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
He's not making much progress with his English.
他的英语进步不大。
We're driving faster than you.
我们驾驶的比你快。
Hello! Did you enjoy yourselves at the party ?
你好！你们在晚会上玩得愉快吗？