letter-bomb

n terrorist explosive device disguised as a letter and sent by post 信件炸弹（恐怖分子投寄的似信件的爆炸物）.

let sb out, let sb through, let sb. in, let sb. into, let sb. out, let slide, let sth in, let sth into sth, let up, let's, let-down, let-up, let...down, lethal, lethally, lethargic, lethargically, lethargy, letter, letter of credit, letter-box, letterhead, lettering, letterpress, letters, letting, lettuce, leucocyte (US leukocyte), leucotomy, leukaemia (US leukemia), levee, level, level-crossing, level-headed, levelheaded, leveller (US leveler), lever, leverage, leveret, leviathan,