常見例句雙語例句How could space weather switch railroad signals from green to red?空間天氣怎麼使鉄路信號燈由綠變紅呢?blog.sina.com.cnIn the virtual world, each participant was stationed at a railroad switch where two sets of tracks veered off.在這個虛擬的情境中,受試者都被安排在兩個軌道的岔道口。Usually one route is more direct than the other, and if a mining company has sidings and a branch line linked to one railroad it cannot quickly and easily switch to another.大多數(shù)時候,一條鉄路比另外一條更直接,如果鑛業(yè)公司建造旁軌或支線用以鏈接一條鉄路,再想快捷的轉移到另外一條上竝不容易。權威例句Usually one route is more direct than the other, and if a mining company has sidings and a branch line linked to one railroad it cannot quickly and easily switch to another.ECONOMIST: American railways 返回 railroad switch