mb climb 爬, 攀登 [Card #2; 字卡第2張: 第4個單字, 字母組合發音 mb]

mb = /m/ (silent b);mb 發音 /m/(mb的b不發音)
Some more examples(更多例字):lamb, limb, numb, dumb, thumb, crumb, succumb, plumb, plumber, plumbing, bomb, comb, tomb