Osteoplast
成骨细胞
🗣️ 情景例句
I call it Family Album, U.S.A.
我称之为美国写真。
Sailboats glided motionlessly across the lake.
帆船静静地像滑动似的在湖上前进。
I usually come by bus. What about you?
我平常乘公共汽车。你呢？