Mesoblastema
[医] 中胚层细胞
🗣️ 情景例句
Don't beat around the bush.
别兜圈子了。
No joy without annoy.
喜中有忧。
He turned on the light, but he couldn't see anyone. The thieves had already gone.
他开了灯，但不见一个人。小偷逃走了。