Alternating calculus
[医] 分层石
🧩 词语组成解析
a. 交互的\\n[医] 交替的
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
and wrote to his wife Martha.
给他妻子Martha写信。
Against your enquiry, we are pleased to make you a special offer as follows and hope to receive your trial order in the near future.
根据你方要求，我方很高兴就如下商品向你方特殊报价，希望不久能收到你方的试订单。
thank for coming today.
谢谢您今天的莅临。