Colloidogen
[医] 胶态原(使体内无机质保持胶态)
🗣️ 情景例句
Please give him the message.
请转告他。
When the clock strikes twelve at midnight.
当午夜十二点的钟声敲响时。
If I work in the garden, I have to sit down and rest every five minutes.
如果我在花园里干活，每5分钟就得坐下来休息。