投影線

line of project / projection line

to cast / to send / to throw oneself (into the river etc) / to seek refuge / to place oneself into the hands of

to project / a projection

picture / image / film / movie / photograph / reflection / shadow / trace

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)