Quizzes for review
The spacecraft's primary reaction engine fired for thirty seconds, propelling it into a higher orbit.
See correct answer
The spacecraft's primary reaction engine fired for thirty seconds, propelling it into a higher orbit.
音声機能が動作しない場合はこちらをご確認ください
Related words
reaction engine
Noun
Japanese Meaning
燃料の点火などによって発生した高温のガスや物質を噴射することで推力を発生させるエンジン。ロケットエンジンや一部の種類のジェットエンジンが該当する。
Related Words
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
