drifting object

基本解釋

Presently a dark object was seen in the river, drifting towards us.
不多一會兒，只見河上有個黑不溜秋的玩意兒在向我們漂來。
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The top three causes of the accidental injury are: road accident injury (43.4%), drifting-down injury (31.7%) and the bruise injury caused by heavy object (12.8%).
造成意外傷害的原因前三位是交通傷（43.4%）、跌落傷（31.7%）、重物砸傷（12.8%）。
An unmanned free balloon shall refer to a freely drifting inflatable object which is driven with no power, is piloted by nobody, is lighter than air, and whose gross mass is more than 4 kilograms.
無人駕駛自由氣球，是指無動力驅(qū)動、無人操縱、輕于空氣、總質(zhì)量大于4千克自由漂移的充氣物體。