Osteogenin
成骨素
🗣️ 情景例句
The name is Wang, and the number is 363-1127.
我姓王，电话是363-1127。
It is a good horse that never stumbles.
良马不失蹄。
The dogs have greater freedom, too, for they are allowed to wander outside their enclosure.
狗也比较自由，被放出围栏，四处遛达。