象银河系一样，螺旋星系由一个中间鼓起的扁圆盘和环绕在周围的螺旋形手臂组成。
Spiral galaxies, such as the Milky Way, consist of a flat disk with a bulging center and surrounding spiral arms.
大卫是一个非常好的人，一个幸运的人，看到你们俩在一起，手臂环绕，相拥而行，我们看到了幸福。
David is a very good man, a lucky man, and when I see you two together, arms draped over neck and around waist, we see happiness.
最后，她只能将自己的手臂环绕在莉茜的脖子上，试着支撑住。
Finally, all she could do was to throw her arm around Lizzie's neck and try to hang on.
手镯：环绕手腕或手臂的装饰带或装饰环。
Bracelet: an ornamental band or chain encircling the wrist or arm.
你感觉不到我环绕着你的手臂已被紧锁？
你感觉不到我环绕着你的手臂已被紧锁？
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