ai stain 污點, 染污, 染色 [Card #11; 字卡第11張: 第1個單字]

Long a sound; ai 發“長母音a”的音。
Some more examples(更多例字):abstain, main, domain, gain, regain, pain, vain, chain, Spain, rain, brain, train, grain, drain, terrain, strain, restrain, sprain, refrain, plain, explain, complain, complaint, plaintiff, remain, retain, obtain, contain, maintain, entertain, pertain, sustain, disdain, Elaine, aim, maim, claim, acclaim, proclaim, disclaim, exclaim, wait, bait, aide, aid, laid, maid, mermaid, paid, repaid, raid, braid, afraid, unafraid, staid, ail, bail, hail, jail, mail, email, pail, sail, wail, fail, failure, nail, fingernail, toenail, thumbnail, snail, tail, detail, retail, entail, curtail, rail, derail, trail, frail, flail, travail, avail, available, assail, Braille, quail, prevail, Gail, paint, saint, faint, saint, taint, quaint, trait, strait, straight, straightforward, bait, gait, wait, await, waist, waive, braise, praise, raise, malaise, mayonnaise, rainbow, raisin, daily, daisy, maiden, faith, tailor, campaign, acquaintance