Pentaether
五醚, 四甘醇二丁醚
🗣️ 情景例句
OK. Now, I have ... first ... a couple of questions here.
好， 现在，我有……第一……几个问题。
I hope you bring his quitar with him.
我希望你带他的吉他一起来。
But you said you'd come out to dinner with me. We fixed it.
但你说过你愿意出来和我共进晚餐的。我们已经决定了的。