Phycocolloid
藻胶
🗣️ 情景例句
That's a good sign.
这是个好兆头。
I want to be a journalist after graduation.
毕业后我想当记者。
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。