Pentafluorinated
五氟化的
🗣️ 情景例句
Talk it over. Think it over. Let me know by the end of the week.
好好地谈一谈。好好地想一想。这个周末以前让我知道你的决定。
I'd like to reserve a seat to new york.
我要预订一个座位去纽约。
We can't ship anymore until we get payment.
除非收到你的付款，否则我们无法再出货给你。