essential skill的用法和樣例：
例句
- Obviously,it is very important to stress the training of basic skill in music education.
顯然，在音樂(lè )教學(xué)中強調基本功的訓練是十分重要的。 - Xiao Lian Tou is recommended as the representative series of Yong Chun Quan it is the basic skill in learning unarmed combat.
小練頭是永春拳的代表性套路，是練習徒手搏擊的基本功。
