名詞 blast off:

1. the launching of a missile or spacecraft to a specified destination
   同義詞：blastoff, shot

動詞 blast off:

1. launch with great force

1. A defect in the fuel lines prevented the missile from blasting off.
   燃料管路上的一個缺陷妨礙了導彈的發(fā)射。
2. Apollo II blasted off at noon.
   阿波羅2號於中午發(fā)射升空。