Stem cells
[医] 干细胞
🧩 词语组成解析
stem
[stɛm]
n. （花草的）茎;词干;（高脚酒杯的）脚;烟斗柄;
vt. 遏制[阻止]（液体的流动等）;阻止;封堵;遏止;
n. 细胞；牢房；小屋；单元格（cell的复数）
🗣️ 情景例句
And if I think about it long enough, you never know ...
如果我一直考虑下去的话 ，说不定……
Forgive me.
请原谅我。
My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland.
我的女儿简从未想过会接到荷兰一位同龄姑娘的来信。