"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).
权威例句
1. We sat in the upper tier at the stadium.
我们坐在体育场的上排.
2. The father said, " Open it, girl , " but tier hands did not move.
父亲说: “ 女儿, 打开看看. ” 但是,她那双手却一动也不动.
3. Each tier of cells is earmarked for a particular function.
每层细胞都有明确的特殊功能标记.
4. Heated air is forced into the upper tier of ducts.
加热的气流被送入上面的一排管道.
5. The procedure he created was a two - tier ballot.