Biharmonic operator
[计] 双调和算子, 重调和算子
🧩 词语组成解析
[计] 重调和的
🗣️ 情景例句
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
I was just about to call you.
我正准备打电话给你。
She was soon out of breath, but she continued to run.
只追了一会儿便上气不接下气了，但她还是继续追赶。