Hydrocolloid
n. 水状胶质, 水状胶体\\n[医] 水胶体
🗣️ 情景例句
Don't be such a moaner.
别老是哼哼唧唧的。
Easier said than done.
说时容易做时难。
Oh, and please keep together. We don't want any of you to get lost!
噢，请大家靠拢一些。我们不想丢下任何一位同学！