Germylsilans
锗烷基硅烷类
🗣️ 情景例句
Don't be so grumpy.
别总这么爱抱怨。
That can't be.
不可能。
Whether they will ever become future Olympic champions, only time will tell.
他们将来是否能成为奥林匹克的冠军，这只能由时间来作出回答。