Left cancellation law
[计] 左消去法则
🧩 词语组成解析
left
[lɛft]
adj. 左边的，左侧的;左派的;
n. 左，左面;[军]左翼;左派，激进分子;
adv. 向左;在左边;
v. 离开( leave的过去式和过去分词);
cancellation
[kænsə'leiʃən]
n. 取消;<数>（相）约;被取消的事物;作废;
law
[lɔ:]
n. 法;法学;规律;法制;
vt.& vi. [口语、方言]诉诸法律，对…起诉，控告;
vt. 控告;对…起诉;
🗣️ 情景例句
Excuse me, but I know you from somewhere.
打扰一下，我好像在什么地方见过你。
I asked him to keep quiet, but he wouldn't.
我请他保持肃静，但是他不肯。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。