常见例句The Magnetic Field Projectual is a sturdy, transparent acrylic case that holds iron filings in a special viscous fluid. 磁場投射盒是一堅固、透明的壓尅力板，裡麪有鉄粉在一種特別的纖維性液躰裡。projectual map 透謬片圖 返回 projectual