Ultrared
a. 红外线的
✅ 同义词
🔤 词根
ultra-表示“超过”
🌿 同词根单词
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
I only had time to visit Edinburgh.
我只有时间去爱丁堡。
He began his diet a week ago.
他是一星期前开始节食的。