Colloidin
[医] 胶(体)变(性)质, 胶体素
🗣️ 情景例句
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
We can't drink so much.
我们不能喝那么多。
We want it to stay down the hole until we can lead it off in a controlled manner.
我们要让石油留在井下，直到我们能用一种有控制的方法把它引上来为止。