a pencil with a replaceable and mechanically extendable solid pigment core called a “lead”
A:
A:
举一反三
- The iron-containing pigment in red blood cells that carries oxygen is called
- Pigment cells of cephalopods are called ( ). A: pinacocytes B: odontophores C: chromatophores D: erythrocytes E: nautilophores
- Although<br/>pencils______are<br/>made of graphite and not of lead,the term “lead pencil”has<br/>come to<br/>be widely used. A: supposedly B: still C: everywhere D: genuinely
- The manufacturing process that makes polyunsaturated fats more solid is called:</p></p>
- Synchronically, the basic meaning of a word is considered to be the core of word meaning, called the _______ meaning.