Sif
abbr. selective identification feature 选择识别特征
🗣️ 情景例句
Put the tablecloth on the picnic table,
将桌巾布放在野餐桌上，
She feels shy about meeting Frank for the first time.
她对于第一次和弗兰克约会感到难为情。
He was constantly on the move, drawing the Danes after him.
他的部队不停地移动，牵着敌人的鼻子，让他们跟着跑。