retro-rocket
retro-rocket怎么读,什么意思。n.制动火箭...
n. 制动火箭
在线英汉词典
retro-rocket的短语、例句:
retro-rocket n rocket engine providing power in the opposite direction to the path of flight and used to slow down or alter the course of a spacecraft, etc 制动火箭; 减速火箭.
在线英汉词典
retro-rocket的短语、例句:
retro-rocket n rocket engine providing power in the opposite direction to the path of flight and used to slow down or alter the course of a spacecraft, etc 制动火箭; 减速火箭.
交流互动
发表言论