Osseine
[医] 骨胶原
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
Whatever.
无所谓。
I guess she's gone to visit some friends in another town.
我猜她是去别的城镇看朋友了。