retraction bulb造句

"retraction bulb"是什么意思

造句与例句手机版

The proximal segment fuses, retracts, and swells, forming a " retraction bulb ".
It's difficult to see retraction bulb in a sentence. 用retraction bulb造句挺难的

相邻词汇

用"retracting forward"造句, 用"retracting slide"造句, 用"retracting spring"造句, 用"retracting strut"造句, 用"retraction"造句, 用"retraction coefficient"造句, 用"retraction cycle"造句, 用"retraction device"造句, 用"retraction fiber"造句,

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