Proteoglycan
n. [生化]蛋白聚糖,蛋白多糖
🗣️ 情景例句
There we go ... will make twenty. Thanks.
你看……加起来正好二十美元。谢谢了。
He helps my father every day.
他每天都帮助我的父亲做事。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。