trunk main的用法和樣例：
例句
- We have been wired into the main system now.
我們現在已經(jīng)與輸電干線(xiàn)接通了。 - It all fit easily into the trunk of the cruiser.
這一切都適合容易進(jìn)入干線(xiàn)的巡洋艦。 - You must reverse the car and go back to the main road.
你應該把車(chē)倒過(guò)頭來(lái)回到主干線(xiàn)上去。 - This air line operates five main lines and twenty branch lines.
這家航空公司經(jīng)營(yíng)五條主干線(xiàn)和二十條支線(xiàn)。
