"小胳膊"用英语可以翻译为"pttle arm"。这个词源于拉丁文"brachium", 其中"brach-"来自"brevis"，意思是"短的"，而"-ium"是拉丁文后缀，意思是"小的"。
下面是一些使用"pttle arm"的英文例句，以及它们的中文翻译：
"She held the pencil with her pttle arm." (她用她的小胳膊握着铅笔。)
"He waved to me with his pttle arm." (他用他的小胳膊挥手向我。)
"The teddy bear had a pttle arm that was stitched back on." (这个泰迪熊的小胳膊被缝回来了。)
下面是一些使用"pttle arm"的英文例句，以及它们的中文翻译：
"She held the pencil with her pttle arm." (她用她的小胳膊握着铅笔。)
"He waved to me with his pttle arm." (他用他的小胳膊挥手向我。)
"The teddy bear had a pttle arm that was stitched back on." (这个泰迪熊的小胳膊被缝回来了。)