階的英文：
rank or step
stairs

• In a floating - point representation,the numeral that represents the expon ent.
  在浮點表示法中，表示階的數(shù)字。
• gault stage
  【古】(早白堊世晚期的)高爾特階
• The vibration is varied in frequency over a range on the order of 5 to 2, 000 cps, usually at a constant octave
  振動的頻率在5到2000赫的范圍內(nèi)變化，通常用一常值的八階變化率。
• Mossy steps are slippery
  苔階滑溜
• A woman with a malicious tongue is a pedlar of trouble
  婦人長舌為厲之階
• It falls outside the scope of the formal taxonomic categories
  它不屬于正規(guī)植物分類學的分類階元的范疇。
• The second tone of the diatonic scale in solfeggio. ray
  音音名中自然間階的第二個音階
• Beside the earthen doorstep, bubbles in puddles of rainwater were whirling about like mad
  土階邊的水泡兒，泛來泛去的亂轉。
• One of the steps of a winding staircase.
  斜踏步轉彎的樓道處的一個梯階
• A hymn of irregular meter sung after the gradual.
  (天主教)圣歌彌撒開階歌后唱的圣歌

• formation; rank
  隊形
• He rose from the rank of captain to the rank of general.
  他從上尉升到將軍。
• Your rank is next to mine.
  你的排名居于我之后。

• step by step welding
  跨步焊法
• It is a step class.
  這是踏板操訓練班。
• the execution of steps
  舞步表演

• She has trouble navigating the stair.
  她上下臺階有困難。
• They went clumping up the stairs.
  他們拖著沉重的腳步走上樓。
• She pegged down the stairs.
  她急忙下樓。