niche cells的用法和樣例：
例句
- One of the earliest responses of the lung is accumulation of water in the interstitial spaces and within the pulmonary cells.
肺的最早的反應之一是在空隙和肺細胞內的積水。 - That single cell contains the digital code to make thousands of other kinds of cells, from fat cells to bone cells -- from brain cells to lung cells.
這個單細胞包含的數字代碼能做出成千上萬的其他種類的細胞，即從脂肪細胞到骨骼細胞，從腦細胞到肺細胞。
