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Many motorists around the world take for granted the concrete dividers on highways. However, these safety barriers, which are key to preventing the loss of human life in accidents, did not simply spring up out of nowhere. Rather, they were the result of careful observation and development.
Before the 1940s in California, barriers separating the lanes of highways were typically just wooden beams. __1__ This was a particularly serious problem on California’s Ridge Route highway, which contains a downward-sloping curved section that is several kilometers long. __2__ Thus, in 1946, the state installed a concrete barrier down the center of the highway. This measure appeared to be effective in enhancing road safety.
Automobiles originated in the 19th century.
汽車源自於 19 世紀。
My dance teacher told me that the tango originated
in both Argentina and Uruguay.
我的舞蹈老師跟我說探戈起源於阿根廷與烏拉圭。
Many Christmas traditions are thought to have
originated in Germany.
聖誕節的許多傳統被認為是起源於德國。
Everyone is trying to persuade Amy to break up as her boyfriend always takes her for granted.
大家試圖勸艾咪分手,因為她男友總不把她當一回事。
Coffee shops spring up on nearly every corner in the city.
這座城市的咖啡店如雨後春筍般出現,幾乎處處可見。
This French course is intended to introduce students to the French language.
這門法文課的用意是為學生介紹法國的語言。