Arthur is a good fielder but he's got a glass arm.
亚瑟是个好外野手,却有一只容易酸痛的手臂。
He balanced the glass precariously on the arm of his chair.
他把杯子放在椅子的扶手上,随时可能摔下。
SHE GUIDED THE ARM TO PICK UP A GLASS.
她用这只机械手拿起了玻璃杯。
He gashed his arm on a piece of broken glass.
他的胳膊被玻璃碎片划了一个大口子。
He gashed his arm on a piece of broken glass.
他的胳膊被玻璃碎片划了一个大口子。
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