protostellar jet

例句：

1. 1. The protostellar jet is a powerful force thatcan shape the early universe.
   原恒星喷流是一种强大的力量，可以塑造早期宇宙。
2. 2. The protostellar jetis a fascinating phenomenon that has captured theattention of astronomers for decades.
   原恒星喷流是一个令人着迷的现象，几十年来吸引了天文学家的注意。
3. 3. The protostellar jetis a mysterious object that scientists are stilltrying to understand.
   原恒星喷流是一个神秘的对象，科学家们仍在试图理解它。