中英释义：
双语例句
美国宇航局正在研制能到达月球的新一代火箭和载人太空舱，计划在五年内搭载航天飞机进行发射，而目前的航天飞机将于明年退役。
The space agency is developing a new generation of rockets and crew capsules capable of reaching the moon which are due to fly within five years of the space shuttle fleet being retired next year.
重点词汇
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进行
go on; have; do; carry on; carry out; conduct; run; proceed; enact; go ahead; be under way; ongoing; underway; pursuance; along; in progress
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发射
launch; send; transmit; fire; shoot; beam; discharge; emit; catapult; send off; let off; let fly; blast off; ballistic; firing; transmission; emission; shot; blastoff