Germylsilans
锗烷基硅烷类
🗣️ 情景例句
Everybody needs help sometimes, Richard.
每个人都有需要帮助的时候， Richard。
I've had enough. I can't eat any more.
我已经饱了，再也吃不下了。
Is that bag heavy, Penny?
那个提包重吗，彭妮？