Sym-tetrachloroacetone
[化] 对称四氯丙酮; 1,1,3,3-四氯丙酮
🧩 词语组成解析
[计] 符号, 系统, 制
🗣️ 情景例句
Let's get together sometime.
什么时候我们聚一聚。
What's the capital of your country?
贵国首都是哪儿？
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。