Constant expression
[计] 常数表达式
🧩 词语组成解析
🗣️ 情景例句
You and Dad are like ships that pass in the night.
你和爸爸就像在夜晚交错而过的船一样。
What the eye sees not, the heart craves not.
目不瞬，心不乱。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。