Then the orchestra played a quick-step strain.

于是乐队奏起快步舞曲。

youdao

Some athletes have a stride that eases across the ground with grace and composure while others appear to strain with every step.

一些运动员可以迈着优雅和镇静的步伐在地面上飘然而去，而有些人则显得每一步都紧张兮兮的。

youdao

The short coseismal step was recorded in tilt and strain data.

倾斜和应变记录到同震阶跃，但持续时间相对较短。

youdao

So the last step on the winding road was the creation of a bacterial strain without any restriction-enzyme genes, and thus without restriction enzymes, so that the team could have a purified reaction vessel in which the new genome could do its thing.

ECONOMIST: Artificial lifeforms