Etherate of trifluoroboron
[化] 三氟化硼合乙醚
🧩 词语组成解析
[化] 醚合物(尤指乙醚合物)
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Yes. The number, please,of the Staten Island Ferry lost-and-found office.
我想问一下Staten岛渡轮失物招领处的电话号码。
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，