besiege

vt.包围，围攻

beret, beriberi, berk, Berkeley, Berlin, Berlioz, berry, berserk, berth, beryl, beryllium, beseech, beseeching, beseechingly, beset, besetting, beside, beside the point, beside the question, besides, besmear, besmirch, besotted, besought, bespangled, bespattered, bespeak, bespectacled, bespoke, best, best man, best of all, best seller, best-loved, best-seller, best-selling, bestial, bestiality, bestially, bestiary,