Osteomere
单骨, 骨件
🗣️ 情景例句
He's a friend.
他是位朋友。
Do you happen to know Mr. Cooper's telephone number?
你知道库珀先生的电话号码吗？
In order to tell the bees apart, he painted some bees with little spots of colour.
为了区别这些蜜蜂，他在一些蜜蜂身上涂上小色点。