Dibehenolin
二山精, 甘油二山酸酯
🗣️ 情景例句
couldn't you?
不是吗？
What sort of guarantee do you offer on your product?
你们提供什么样的产品保证呢？
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。