常見例句雙語例句Please clean the blackboard with the eraser.請用這個板擦把黑板擦乾凈。www.ept-cn.comTrying to fix the tie , he took a blackboard eraser and hammered a large tack through his tie into his chest.為了固定領帶，他拿起黑板擦，把一個大頭釘透過領帶砸入他的胸膛。The utility model relates to a dust-free blackboard eraser for teaching, which is composed of a handle, a rubber sheet housing, an eraser body, an eraser housing and an eraser.本實用新型是一種教學用無塵黑板擦器，由把手、膠皮殼、擦器主體、擦器殼和擦器組成。ip.com 返回 blackboard eraser