标题: A Picture-Perfect Landing Shows China’s Ambitions to Narrow the Space RaceA space neophyte not long ago, China is now the United State’s main competitor for supremacy throughout the solar system.知识点:descended/dɪˈsendɪd/ 动词(descend 的过去式和过去分词)本义为 “下降;落下;降临”,航天 / 火箭语境核心义为 (箭体、航天器)降落、下降,特指火箭助推器、返回舱等从高空向预定落点减速下落的运动过程(本文指发射后分离的火箭底部箭体,朝着海上回收平台持续下落)核心搭配:rocket descended、descend toward the landing site、descend steadily、safely descended火箭一级箭体在反推作用下朝着海上平台下降,速度逐步降低。

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