tier

n.1.排层;2.等级

tiddly-winks, tide, tide sb. over, tide-mark, tide-table, tideway, tidily, tidiness, tidings, tidy, tie, tie up, tie-beam, tie-breaker (also `tie-break), tie-dye, tie-dyeing, tie-on, tie-pin (US `stickpin, `tie-tack), tie-up, tied, tiered, tiff, tig, tiger, tiger-lily, tiger-moth, tigerish, tight, tight-fisted, tight-lipped, tighten, tightfisted, tightly, tightness, tightrope, tights, tigress, tike, tilde, tile,