1570s, "to miscarry," from Latin abortus, past participle of aboriri "to miscarry" (see abortive); 1610s as "to deliberately terminate" anything, but especially a pregnancy, which seems to be the literal sense. Transitive meaning "to cause a woman to miscarry" is recorded from 1933. Related: Aborted; aborting.
例文
1. The decision was made to abort the mission.
はこのタスクを中止することを決定した。/
2.The doctor had to abort the baby.
医師は胎児を撃たなければならなかった。
3.The captain instructed them to abort the mission.
大尉はタスクの実行を中止するよう指示した。
4.Frequently the basal ovule,which is the last one to be fertilized would abort .
最後に受精した基底胚珠はよく成育されています。
5.The airmen were unders to abort their mission if on-board equipment showed the slightest glitch.