His arm is plastering.
cast 的意思是“模型，模子，模压品” 读音/ka:st/ plaster 的意思是“石膏”
gessogypsumpargetplaster
her broken leg is in plaster her broken leg is being plaster 可以,但第二句的 "plaster" 要加 ed 成为 "plastered"
plaster手脚上打的石膏叫cast
plaster
the sailors liked it because when one was on look-out duty it gave one somebody to
石膏 shi gao 1.gypsum; gesso
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川猫之介
