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1·The common map has less, and the black-knobbed has a lot.

普通地图背上没有很多瘤子，但是黑瘤地图就有很多很大的瘤子。

2·Any of various insects of the order Lepidoptera, characteristically having slender bodies, knobbed antennae, and four broad, usually colorful wings.

蝴蝶多种鳞翅目类昆虫，特征为身体细长，触须突出，有四个通常是彩色的宽大的翅。

3·They also reputedly need pristine water quality & are prone to shell problems if such is not maintained (Cagles & Black-knobbed are reputed to be bad about this;

据说，地图龟还需要原生态的水质，否则甲容易出现问题（就是我们俗称的烂甲，译者注）。

4·Room service: A red-knobbed hornbill arrives with breakfast, which he will regurgitate for his roughly three-month-old chick safely inside a nest hole in an Alstonia tree.

一只长有红色盔突的雄犀鸟带着早餐翩然而至。 雄犀鸟将会把食物反刍给它大约3个月大的雏鸟，雏鸟安全地在一棵鸡骨常山属树木的巢穴里。

(1)with knobs on[俚语]尤其突出地，更加

(1)door knob门把手；门把捏手

(1)adjusting knob调节旋钮

(1)control knob控制旋钮；调节炳