American scientists have developed a 3D remote- controlled robot smaller than the size of a flea.
美國科學家研發(fā)了一種比跳蚤還小的3D 遙控機器人。
lts designers hope the tiny machine will have medical uses one day.
它的設計者希望這臺微型機器有一天會有醫(yī)療用途。
The minuscule robot created by scientists at
Northwestern University is shaped like a crab and is built using a special alloy that can take different shapes depending on the temperature.
這款微型機器人由西北大學的科學家發(fā)明，形狀像螃蟹，由一種特殊的合金制成，可以根據(jù)溫度的不同而呈現(xiàn)不同的形狀。
The diminutive machine can crawl, walk, turn and jump, and is able to move at speeds of up to nearly half its body length per second.
這臺微型機器可以爬行、行走、轉(zhuǎn)身和跳躍，每秒移動長度近身體一半。
The microbot's movement is controlled with the help of a laser.
這個微型機器人的運動是在激光的幫助下控制的。
The beam lands on different body parts, initiating a process of heating and cooling, which changes the bot shape, pushing it forward.
光束落在身體的不同部位，啟動加熱和冷卻過程，從而改變機器人的形狀，推動它前進。
The team hopes the tech one day be used as the basis for future robotics in the fields of medicine.
該團隊希望有一天這項技術能為未來醫(yī)學領域的機器人技術打下基礎。
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