step-Rocket

常見(jiàn)例句

• As the step rocket goes up,some of the stages at the side fall away.
  當(dāng)多級(jí)火箭上升時(shí)，邊上的幾級(jí)火箭就脫落了。
• As the step rocket goes up, some of the stages at the side fall away.
  當(dāng)多級(jí)火箭上升時(shí)，邊上的幾級(jí)火箭就脫落了。
• One of the ways to make step rockets is to put the stages side by side at the bottom.
  制造多級(jí)火箭的一種方法是把各級(jí)火箭并排放在底部。
• Rockets with more than one stage are called step rockets.
  多于一級(jí)的火箭稱(chēng)為多級(jí)火箭。
• These are two ways to make step rockets, one is to put the stages one on top lr the other.
  有兩種制造多級(jí)火箭的方法，一種是把一級(jí)放在另一級(jí)的項(xiàng)上。
• These are two ways to make step rockets,one is to put the stages one on top of the other.
  有兩種制造多級(jí)火箭的方法，一種是把一級(jí)放在另一級(jí)的項(xiàng)上。
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