tw twin 孿生, 雙重的 [Card #14; 字卡第14張: 第5個單字, 字母組合發音 tw]

Some more examples（更多例字）：twinkle, twig, twill, twiddle, twist, twitch, twitter, twice, twine, intertwine, twilight, twirl, twang, twelve, twenty, tweak, tweed, tween, tweet, tweeze, tweezers, between