Pentaether

五醚, 四甘醇二丁醚

🗣️ 情景例句

I'll be in town next week, maybe you could fit me in.
我下个礼拜会在城里,也许你能安排时间见我。
In the multitude of counsellors there is safety.
谋士多,保安全。
What was the conference like?
这个会议怎么样?
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