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
Outstanding work.
做得太棒了。
Choose an author as you choose a friend.
选书如择友。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。