Reversible decade counter
[計] 可逆十進制計數器
?? 詞語組成解析
reversible
[ri'v?:s?bl]
adj. 可逆的; 步驟、行動或疾病可恢復原狀的; 可醫治的;衣服、材料等可翻轉的;
counter
['ka?nt?]
n. 柜臺;對立面;計數器;（某些棋盤游戲的）籌碼;
adj. 相反的;
vt. 反擊，還擊;反向移動，對著干;反駁，回答;
vi. 逆向移動，對著干;反駁;
adv. 反方向地;背道而馳地;
count(to count)+er→籌碼；柜臺；計算器
??? 情景例句
Service like this deserves a really good tip.
這樣的服務值得拿優厚的小費。
While Mike was an only child, he would amuse himself with his toys.
麥克還在孩提時，常常獨自玩玩具取樂。
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘務員告訴我們要保持鎮靜，待飛機一著陸，就馬上不聲不響地離開飛機。