ferrule的复数形式为：ferrules...

ferrule的第三人称单数（三单）为：ferrules...

ferrule的现在进行时为：ferruling...

Its ferrule followed lightly on the path, squealing at his heels.手杖上的金属包头沿着小径轻快地跟随着他, 在他的脚后跟吱吱作响.A ferrule and eraser are crimped into place on each pencil.金属环把橡皮头固定到每一根铅笔上.The tapered legs, each fitted with a brass ferr...

ferrule的现在完成时为：ferruled...

v.装以金属铁( ferrule的过去式和过去分词 )...

n.（棍棒顶端等的）金属箍，金属环，套圈vt.装以金属铁...

ferrule的音标：ferrule的英式发音音标为：['feru:l]ferrule的美式发音音标为：['ferəl]...

ferrules的音标：...

ferrule的一般过去时为：ferruled...

n.（棍棒顶端等的）金属箍，金属环，套圈( ferrule的名词复数 )...

ferruled的音标：...

Compression fittings for attaching tubing ( piping ) commonly have ferrules ( also known as olives ) in them.为附加管 ( 管道 ) 通常有 ( 也称为橄榄在其中 ) 冷压头压缩配件....