She’s now44, a single mother of a curious 10-year-old whom she has tried to shield fromthe worst parts of the past.

她现在已经44岁了，是个单身母亲。 她一直努力，想让自己那个充满好奇心的10岁儿子不要接触到那段最糟糕的日子。

youdao

This paper introduced several structures of single punching dies of rotor shield plank of motor, then compared them and drew a conclusion.

介绍了电机转子端板单槽冲模的几种结构形式，对这几种结构进行了比较，并给出结论。

youdao

An unbalanced line is generally a single-conductor shielded cable with the center conductor carrying the signal and the shield at ground potential.

对于非平衡式信号线来说，就是一根被屏蔽了的信号线，这个中心信号线传输信号，且相对于地电势。

youdao

Although Gordian had only purchased a single Web program from eDoc4u, Smith designed a customized program with wider capabilities for Blue Cross Blue Shield, anticipating that the larger company could afford and would need more services.

FORBES: Lost In Transaction