Struvite calculus
[医] 鸟粪石(磷酸铵镁结石)
🧩 词语组成解析
n. [矿]鸟粪石
calculus
['kælkjələs]
n. [医]结石，石，积石，牙垢;[数]运算，演算，微积分（学）;
ule,ulus 后缀;表”小,少”#词根助记：calc石头(古时候用石头来计算)##calc 石灰,石头#词根助记：calc石头(古时候用石头来计算)
🗣️ 情景例句
Six table lamps. Three end tables. One piano.
六个灯。三张茶几。一 钢琴。
Thank you for your help.
谢谢您的帮助。
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。