🧩 词语组成解析
[化] 白栎皮; 栎
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
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。