1.be referred to as 被称为
Our economy is referred to as a free market.
我们的经济被称作自由市场经济。
2.at short notice 立刻；在短时间内
Britain was poised to fly medical staff to the country at short notice
英国随时准备把医护人员空运到该国。
3.be left behind 落后
Nobody is willing to be left behind.
谁也不甘心落后。
4.abound 大量存在
Stories about his travels abound.
有关他游历的故事多得很。
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