人行道上有电焊工在工作，火化四溅，但是我没有看见有人戴安全眼镜。
Welders worked on the pavement, sending sparks flying in all directions, but there was not a pair of safety goggles in sight.
人行道上有电焊工在工作，火化四溅，但是我没有看见有人戴安全眼镜。
Welders worked on the pavement, sending sparks flying in all directions, but there was not a pair of safety goggles in sight.
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