It's got to deploy a $23 million drone helicopter whose purpose is to find out if powered chopper flight is possible on Mars.
“毅力号”上将安装一架价值2300万美元的无人直升机，以确定动力直升机能否在火星上飞行。
| 单词 | Power chopper |
| 例句 |
原声例句
当月 CNN 10 学生英语 2021年2月合集 It's got to deploy a $23 million drone helicopter whose purpose is to find out if powered chopper flight is possible on Mars. “毅力号”上将安装一架价值2300万美元的无人直升机，以确定动力直升机能否在火星上飞行。 CNN 听力 2021年3月合集 It's got to deploy a $23 million drone helicopter who's purpose is to find out if powered chopper flight is possible on Mars. 同时火星车上要安装一架价值2300万美元的无人直升机，以确定动力直升机能否在火星上飞行。 |
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