Phosphate calculus
[醫] 磷酸鹽結石
?? 詞語組成解析
phosphate
['f?sfeit]
n. 磷酸鹽;（含有少量磷酸的）汽水;
calculus
['k?lkj?l?s]
n. [醫]結石，石，積石，牙垢;[數]運算，演算，微積分（學）;
ule,ulus 后綴;表”小,少”#詞根助記：calc石頭(古時候用石頭來計算)##calc 石灰,石頭#詞根助記：calc石頭(古時候用石頭來計算)
??? 情景例句
We had this part of the conversation
我們正談到這兒
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，讓我來詢問一下該組的負責人。
Shortly afterwards, the police stopped the car and both men were arrested.
沒過多久，警察就截住了那輛車，兩個小偷都被抓住了。