Quercus
[化] 白栎皮; 栎
🗣️ 情景例句
It's a book of pictures.
这是一本摄影集。
He needed a blood transfusion.
他需要输血。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。