-trix
suf. [阴性名词词尾,相当于-or]表示女性...者：aviatrix, executrix; [数学]点,线,面：directrix [亦作-trice]
🧩 词语组成解析
abbr. 三重指数平滑移动平均线（Triple Exponentially Smoothed Moving Average）
🗣️ 情景例句
Didn't we go to school together?
我们以前在一起上过学吗？
Bind the sack before it be full.
做事应适可而止。
What do you think of his new job?
你对他的新工作看法如何？