Colloidin
[医] 胶(体)变(性)质, 胶体素
🗣️ 情景例句
Yes, Mom was pregnant with Robbie then,
是的， 那时妈妈怀着Robbie，
Thank you for giving me an opportunity to speak about myself at this special occasion.
谢谢大家给我机会在这样一个特别的场合介绍我自己。
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。