Amidocephalin
氨基脑磷脂
🗣️ 情景例句
Chocolate?
巧克力？
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
London is on the river Thames.
伦敦位于泰吾士河边。