Gellan
[医]胶凝糖
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
The years teach much which the days never know.
学问集年而成，而每日不自知也。
They are not anxious social climbers, and they have no devotion to material things.
他们不热衷于向上爬，也不一味追求物质享受。