Relation back
[法] 追溯效力
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Dreadful weather, don't you think?
天气可真差劲，你说呢？
I'll keep my ears open.
我会留意的。
The noise had been so faint that no one though that the ship had been damaged.
由于这个声音非常轻，没人会想到船身已遭损坏。