Ooporphyrin
蛋壳色素, 蛋壳卟啉
🗣️ 情景例句
I attended college on an athletic scholarship.
我靠体育奖学金上的大学。
The buyer has the option of cancelling the contract.
买主有权撤消合同。
Trafalgar Square, please.
请买一张到特拉法加广场的票。