Embase
[医][=Excerpta Medica database]医学文摘资料库
🗣️ 情景例句
John Philip Sousa. John Philip Sousa
的曲子。
Yes, you can. Would you please show me your card?
可以，让我看看您的卡。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。