Array ( [0] => Array ( [title] => L4A [link] => https://www.youtube.com/embed/fDnguItlOnQ ) [1] => Array ( [title] => L4B [link] => https://www.youtube.com/embed/buUYx1uZAts ) [2] => Array ( [title] => L4C [link] => https://www.youtube.com/embed/S3UCukM_xV4 ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第4講 The Structure and Properties of Colloids