2 câu trả lời
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+ Illusion (n ) : ảo giác
→ Its carbon arc lamp doesn't shoot light through filmstrips to create the illusion of movement.
+ Hologram ( n ) : hình 3 chiều
→ The disc began to light up and then projected a transparent hologram of my father.
=>He had no illusions about his talents as a singer.
=>After the recording and the developing, the hologram was returned to the second holder and moved into the laser beam line.
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