Mecocyanin
龙胆二糖菁苷(色素)
🗣️ 情景例句
The patient showed a marked improvement.
病人病情显著好转。
Are you Bill Jones?
你是比尔、琼斯吗？
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。