semi トレーラートラック

semi は semi-trailer （トレーラー）の略だが、semi-trailer truck（トレーラートラック）を指す事が多い。発音は セマイ。0:01 this video shows the semi-truck trying to pass snowplough driver Terry Jacobson in Spanish Fork Canyon.

Semi Clips Snowplow

https://www.youtube.com/watch?v=BOsZexohjgw  1:18 this Amtrak train in Halifax County, North Carolina, smashing into a semi.
Train Collides With Car in Second Deadly Crash

https://www.youtube.com/watch?v=NZT0yZUL3qU  0:17 more powerful than 200 semis
Marine Diesel Engine (K98MC)

https://www.youtube.com/watch?v=r0B-vqQC6zA  0:45 the firefighters are here to check on the driver of that semi that plunged off the same interstate.
Deadliest storm in years slams Southern California

練習問題解答
a-5218 semi tractor-trailer
a-8256 a semi