leaden
adj
1 dull, heavy or slow 沉悶的; 沉重的; 緩慢的
the leaden atmosphere of the museum 博物館里那沉滯的氣氛
a leaden heart 沉重的心
moving at a leaden pace 沉重而緩慢地移動.
2 lead-coloured; dull grey 鉛灰色的; 暗灰色的
leaden clouds promising rain 預示有雨的鉛灰色的云.
3 [attrib 作定語]
(dated 舊) made of lead 鉛制的: leaden pipes 鉛管.