一步的英文怎么说

20次大中小

一步的英文：
(single) step

参考例句：

one step at a time;Step by step
一步一步地

Learning a foreign language is a step by step process.
学习外语是一步一步的过程。

An important step forward
向前迈进的重要一步

One must draw back in order to leap better.
后退一步可以跳得更远。

Every question was a trap, a contrived progression towards a preconceived conclusion.
每个问题都是一个陷阱，事先策划好了，一步一步达到早已作出的结论。

This was a crucial step in the development of primitive dance.
这在原始舞蹈的发展进程中是至关重要的一步。

Oxaloacetate is formed in the last step of the citric acid cycle by the NAD+-dependent oxidation of L-malate.
草酰乙酸在三羧酸循环的最后一步通过NAD+-依赖的L-苹果酸的氧化来合成。

Dance has been a loyal companion of mankind on his way toward higher civilizations.
舞蹈与人类风雨同舟、悲欢与共，真诚地追随着人类前进道路上的每一步。

In general wet methods are further divided into regenerative and non-regenerative processes
一般说来，湿法可进一步分为可再生法和不可再生法。

Her shopping had tired her and her basket had grown heavier with every step of the way home.
去商店买东西把她搞得筋疲力尽;在回家的路上，她每走一步，就感到手里的篮子又重了一点。

single是什么意思：
adj. 单一的；个别的；单身的；单程的 n.单曲唱片；单程票；单打比赛
v.挑出，选出；击出一垒安打

They single out the biggest apple.
他们挑出最大的苹果。

They play single this afternoon.
他们今天下午进行单打比赛。

A single to London, please.
劳驾，一张去伦敦的单程票。

single width bus bay
单排巴士停车处

single-perforated grain
单孔药柱

step是什么意思：
n. 脚步；步态，步伐；步骤；措施；阶段，等级；台阶，平台；舞步
v. 踩，踏；跨步，行走；跳舞；使成阶梯状

step by step welding
跨步焊法

It is a step class.
这是踏板操训练班。

They are not in step with the times.
他们跟不上时代的步伐。

the execution of steps
舞步表演

To work step by step is as good as riding in a carriage.
安步当车