R-f generator
[电] 射频产生器
🧩 词语组成解析
🗣️ 情景例句
because he didn't want the responsibility of holding them.
因为他不想承担保管它们的责任。
Better an empty purse than an empty head.
宁可钱袋瘪，不要脑袋空。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。