lead

中文： 铅

1. A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82. (uncountable)
2. A plummet or mass of lead attached to a line, used in sounding depth at sea or to estimate velocity in knots. (countable)
3. A thin strip of type metal, used to separate lines of type in printing. (countable, uncountable)
4. Vertical space in advance of a row or between rows of text. Also known as leading. (uncountable) · This copy has too much lead; I prefer less space between the lines.
5. Sheets or plates of lead used as a covering for roofs. (countable, uncountable)
6. A roof covered with lead sheets or terne plates. (countable)
7. A thin cylinder of graphite used in pencils. (countable)
8. Bullets; ammunition. (countable, slang, uncountable) · They pumped him full of lead.

复数 leads