Borofil
硼纤维
🗣️ 情景例句
Your boyfriend is a bag of bones.
你的男朋友瘦得皮包骨头。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。