D-calculus
[計] D演算
?? 詞語組成解析
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
My friend, I am in a big mess, do you think you could help me tomorrow?
朋友，我現在正忙得一塌湖涂。明天你可以幫一下我嗎？
Will you speak up, please?
請你大聲一點好嗎？
I think it's closed.
我想已經關門了吧。