例句：

　　This is a well researched and very readable book.

　　這是一本研究深刻、可讀性強的書。

　　The book is clear, readable, and adequately illustrated.

　　這本書易懂易讀，而且圖解充足。

　　The bags have adjustable shoulder straps.

　　這些包有可調(diào)肩帶。

　　The height of the bicycle seat is adjustable.

　　這輛自行車車座的高度可以調(diào)節(jié)。

　　Adjustable wrench for turning off gas and water.

　　可調(diào)扳手用于關(guān)閉煤氣和自來水。