581.  The mechanical mechanic knows the technique and technology of the echo mechanism¹.

呆板的机修工知道共鸣装置的技术和工艺。

582.  The ugly druggist gauged² the huge plug in the refugee's rug.

丑陋的药剂师测量了难民毛毯中的巨大插头。

583.  I hope to make copper³ copies of the telescope and microscope for hobby in the lobby.

我希望制作望远镜和显微镜的铜质复制品。

584.  The sloped envelope indicates the development velocity⁴ of printing.

那个倾斜的信封显示了印刷的发展速度。

585.  The rope is proper property to the prospering⁵ rope maker⁶.

绳子对成功的制绳者来说是真正的财产。

586.  It's a pity that the spitbox in the pit was hit and split.

遗憾的是坑内的痰盂被打裂。

587.  The situation is fit for profiting and beneficial to the shops situated⁷ nearby.

这种形势适于获利且对坐落在附近的商铺有益。

588.  The fanciful panda fan panics over the span of the pan-like panel.

爱幻想的熊猫迷对盆状仪表板的全长感到恐慌。

589.  The advanced van has disadvantages as well as advantages.

这辆先进的篷车有优点也有缺点。

590.  The original Organ Organization was originated with an original man.

最初的风琴组织是由一个有创见的人发起的。