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两步交替滑进
1、steps───n.（楼外的）[建]台阶；步伐；步数；步幅
2、steep steps───陡峭的台阶
3、actionable steps───可Cao作步骤
4、giant steps───巨大的台阶
5、ion steps───离子台阶
6、flagstone steps───石板台阶
7、two steps from hell───地狱咫尺
8、whole steps───全音阶
9、basic steps───基本步，基本步骤
1、He took two steps backward.───他往后退了两步。
2、If you were to tie the assets that you acquired from the first two steps to this step, you would essentially be acting as a proxy.───如果您本来打算将您从先前两个步骤和这个步骤中获得的资产KunBang在一起，那么事实上正在扮演一个代理服务器的角色。
3、Two steps are necessary.───两个步骤是必要的。
4、The boss took two steps back and asked in astonishment, "You sold all that to a guy who came in for a fish hook? "───老板后退两步，几乎难以置信地问道：“一个顾客仅仅来买个鱼钩，你就能卖给他这么多东西？”
5、Then he took two steps, still holding the gun, and kicked the dog's body away, for us to bury it as well.───接着他朝前走了两步，手上仍然握着枪，将那条狗的尸体踢到一边，我们把它也给埋了。
6、It was a sort of worship in two steps, with the grand altar for the colonel and the lesser one for Thenardier.───这好象是一种两级的崇拜，大龛供上校，小龛供德纳第。
7、He took two steps forward.───他向前走了两步。
8、Strange to say, she had grown poorer and prettier, two steps which it had not seemed within her power to take.───说也奇怪，她显得更穷，却也漂亮些了，这好象是她绝对不能同时迈出的两步。
9、It consists of two steps with a combination of a global search method and a nonlinear local search method.───反演过程中采用了全局搜索方法与非线性局部搜索方法。分两步进行。
1、There are two steps up onto the bus.
2、Can you go up the stairs two steps at a time?
3、He took two steps backward.
4、There are two steps in this argument.
5、Take two steps forward.
6、He took two steps forward.
7、The two steps cannot be confused.
8、She tore up the staircase two steps at a time.
9、Alec moved down two steps and stood.