Colloidin
[医] 胶(体)变(性)质, 胶体素
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
When you go to buy, use your eyes not your ears.
你去购买东西时，要用眼睛莫用耳。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。