| 释义 |
lead2/led/ n. & v.●n. 1 Chem. a heavy bluish-grey soft ductile metallic element occurring naturally in galena and used in building and the manufacture of alloys, both the metal and its compounds being toxic (symbol 符 Pb) 【化】(化学元素)铅 2a graphite 石墨 b a thin length of this for use in a pencil 铅笔心 3 a lump of lead used in sounding water 测深锤 4 (in pl. 用复数) Brit. [英]a strips of lead covering a roof (盖房顶的)薄铅片 b a piece of lead-covered roof 盖有铅皮的房顶 5 (in pl. 用复数) lead frames holding the glass of a lattice or stained-glass window 固定玻璃的铅框(用在格子或彩色玻璃窗上) 6 Printing 【印刷】a a metal strip (used to create space between lines of type) 行间(加空)铅条 b this space 加铅条的行距 7 (作 attrib.) made of lead 铅制的 ●v. tr. 1 cover, weight, or frame (a roof or window panes) with lead 用铅皮覆盖；灌铅加重(屋顶)；用铅框固定(窗玻璃) 2 Printing separate lines of (printed matter) with leads 【印刷】用铅条给(印刷品的铅版)加空 3 add a lead compound to (petrol etc.) 给(汽油等)加入铅化合物 □ swing the lead see 见 SWING □ leaded adj.□ leadless adj.[Old English lēad, from West Germanic] |