-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
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
I hope you can find your book soon.
我希望你很快就找到你的书。
Why don't you come swimming with us?
你干嘛不和我们一起游泳呢？