Chalkstone
n. 痛风石\\n[医] 白垩块, 痛风石(痛风病之结块)
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
John is really scared of airplanes.
约翰真的很怕乘坐飞机。
A lot of people can't tell the difference between an American accent and a Canadian accent.
许多人分不出美国口音和加拿大口音的差别。