n. 開關;轉換,轉換器;軟鞭子;[信]接線臺;
vt.& vi. 轉變,改變;轉換;關閉電流;鞭打;
vt. 轉換;揮動(棍棒、鞭子等);迅速轉動;鞭打;
vi. 交換;調換;
??? 情景例句
Morning, Grandpa.
早安, 爺爺。
Which one is more convenient?
哪一個是比較方便的?
Soon the hobby leads to travel, perhaps to a meeting in another town, possibly a trip abroad in search of a rare specimen, for collectors are not confined to any one country.