手臂
shǒubì
arm (from shoulder to wrist); (fig.) assistant; helper
In a story
断墙里探出半根烧焦的房梁,像一只黑色的手臂,指着天上的乌云。A charred beam jutted from the broken wall like a blackened arm, pointing at the dark clouds above.灰烬之家 · House of Ashes · HSK 6
阿七不高,走起路来很慢,手臂上有一层旧旧的白漆。Ah Qi was not tall, walked slowly, and had a layer of old white paint on its arms.月球中继站 · The Relay Station · HSK 5

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