Chromosorb
红色硅藻土色谱载体
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
Could you consider accepting our counterproposal?
你能考虑接受我们的反对案吗？
You may pick them up in utter exhaustion, if wind over the sea has driven them to a long journey.
如果海风驱使它们飞行很长距离，你可以捡到一些因筋疲力尽而摔下来的鹧鸪。