Heptone
[医]盐酸苯吗庚酮
🗣️ 情景例句
Row. Row.
Row。 Row。
I'm practising tai chi chuan in the park.
我在公园打太极拳。
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。