Pentamethylene oxide
[化] 氧己环
🧩 词语组成解析
n. [化]环戊烷
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
As you see, the goods we ordered are seasonal goods.
你知道，我们这批货物是季节性的。
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
It is a curious coincidence that the day before his retirement, Mr.Page will have been teaching for a total of forty years.
佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。