Thymosterin
环氧麦角甾烯三醇乙酸酯
🗣️ 情景例句
The plan is a simple one.
计划很简单。
And what's that?
还有那是什么？
'Have you anything to declare?' he asked, looking me in the eye.
“您有什么需要申报的吗？”他直盯着我的眼睛问。