What grade did you learn toilet characters?

Second grade.

The word "toilet" has only 1 pronunciations, which is the fourth pronunciation.

Cè is a disyllabic syllable, which consists of the initial c and the vowel e (the fourth sound).

Cè writing (tone marked on the letter E) Note: When writing the word "toilet" in the pinyin book, pay attention to the stroke order, occupation and tone marking of the pinyin letters.

Not all books are correct, but they are probably polyphonic characters, because there are "si" and "ce" in the pinyin input method, and "Guang" is simplified as "factory".

The radical "then" is simplified to "then".

Are simplified according to ancient calligraphy.

"Shuo Wen Jie Zi": "The toilet is clean.

If you are lenient, you will be quiet.

Cleaning up dirty places is a model of toilets.