Variation method
[计] 变分法\\n[化] 变分法
🧩 词语组成解析
🗣️ 情景例句
A good medicine tastes bitter.
良药苦口，忠言逆耳。
Short is my date, but deathless my renown.
年寿短暂，声誉永存。
She was wearing a blue dress and a mink coat.She told me she had just made a new film.
她穿着一身蓝色的套装和一件貂皮大衣。她告诉我她刚拍完一部新片子。