Transposability
n. 可換位性
??? 情景例句
and he's very unhappy about not working.
他對沒有工作感到怏怏不樂。
Sailboats glided motionlessly across the lake.
帆船靜靜地像滑動似的在湖上前進。
Excuse me, Mr Green. I can't find the twins.
對不起，格林先生，我找不到那對雙胞胎了。