Germanocene
二茂锗
🗣️ 情景例句
We are very pleased with our presend arrangements for printing and definitely will not be considering any other services in the foreseeable future.
在今后的一段时间内我们不会考虑其他的服务提供者。
I'm single.
我现在单身。
Before? After? said the doctor.
“饭前？饭后？”医生说。