tiern.
英 tɪə | 美 tɪr
中文n. 层，排；行，列；等级\nvt. 使层叠\nvi. 成递升徘列\nn. (Tier)人名；(英)蒂尔
层，排；行，列；等级
vt. 使层叠
vi. 成递升徘列
n. (Tier)人名；(英)蒂尔
词根词源
tier (n.)"row, rank, range," mid-15c., from Middle French tire, from Old French tire (13c.) "rank, sequence, order, kind," also "likeness, image; state, condition," probably from tirer "to draw, draw out" (see tirade).
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