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
to ask Dad to sign as a guarantor.
请爸爸当担保人为我签字。
Yes, there is. We can give a 5% discount for orders over 5,000 units.
是的，有折扣，超过5000个我们可给5%的折扣。
Several cases have been reported in Russia recently of people who can detect colours with their fingers, and even see through solid and walls.
俄罗斯最近报导了几个事例，有人能用手指看书识字和辨认颜色，甚至能透过厚实的门和墙看到东西。