blast

Compared meaning: to destroy a target with an explosion (verb).

比较义项：用炮弹轰炸或用爆炸摧毁目标（动词）。

• shell

  Means to attack a place with artillery shells, describing repeated or sustained bombardment of a military target such as a town or position.

  指用炮弹攻击某地，通常表示对城镇或阵地等军事目标进行持续或反复的轰炸。

  The rebels shelled the capital every night for a week.

  叛军连续一周每晚炮轰首都。

• blast 本词

  Means to destroy something with a single explosion, typically from a bomb, mine, or explosive charge, used in military, construction, or terrorist contexts.

  指用炸弹、地雷或炸药等造成的一次爆炸来摧毁某物，可用于军事、建筑爆破或恐怖袭击等场合。

  A car bomb blasted the marketplace, killing several bystanders.

  一辆汽车炸弹炸毁了市场，造成多名旁观者死亡。

Shell means to attack a place with artillery, describing repeated bombardment of a military target like a town. Blast means to destroy something with a single explosion, from a bomb, mine, or explosive charge. Not covered: shell meaning a hard covering, or blast meaning fun.

这两个词在该义项中都表示用武力摧毁目标，但方式不同：shell 强调用炮弹持续轰炸，通常针对城镇或阵地等军事目标；blast 强调一次猛烈爆炸造成的摧毁，使用场合更广，可以是炸弹、地雷或工程爆破等。这里不比较 shell 作名词表示“贝壳”的义项，也不比较 blast 在口语中表示“尽兴、玩得开心”的义项。