gl glass 玻璃 [Card #4; 字卡第4張: 第4個單字, 字母組合發音 gl]

Some more examples（更多例字）：glad, glamor (glamour), glamorous, glance, glacier, glaze, glare, glen, glean, gleam, glee, glib, glitch, glitter, glisten, glint, glimmer, glimpse, glide, gloss, glossy, glossary, glob, glove, globe, global, glow, glory, glorious, gloat, gloom, gloomy, glum, glut, glutton, glue, gluten, glucose, conglomerate