Florisil
硅酸镁载体
🗣️ 情景例句
May I have a tour of the cockpit, please?
我能参观一下驾驶舱吗？
Please fill in this disembarkation card.
请你填写这张入境卡。
The river which forms the eastern boundary of our farm has always played an important part in our lives.
形成我们农场东部边界的一条河流一直在我们生活中发挥着重要作用。