严肃学习 6 / Learning Process 6
经过几轮的演练，无论技巧或信心，都显示长
足进步。安全主任面露满意的神态。
After a few rounds, it is evident that skills and confidence
have both improved. Background shows safety supervisor
with a content expression.
不
e
前奏 / Prelude
-1-
-2-
-3-
严肃学习 / Learning process
-4-
-5-
-6-
-7-
-8-
娴熟阶段 / On the fly
