Phenyldichloride
二氯苯
🗣️ 情景例句
... Oh, oh, I see.... Oh ... certainly.
……嗯 嗯 我知道了。……嗯……一定。
Do you have an umbrella?
你有雨伞吗？
Today, enough soundings are available to enable a relief map of the Atlantic to be drawn
现在已有足够的水深测量数据来绘制一张大西洋洋底地形图，