The English idiom "______" means "something useless and unwanted but big and costly”.

What is the fundamental difference between the process of radiation and concatenation, and how are they closely related?

Explain the misunderstanding of the phrase “look out” in the following situation: when someone on the second floor was ready to pour water out of the window, he called "Loo out!" to warn the people outside in the street to go away. But the man on the first floor heard the cry and stretched his head out of the window. just in time to receive the water.

Comment on the following two sentences to illustrate the difference between conversion and affixation.

A、They room right! next to me.

B、She tried to beautify her room with posters and plants.

What are the three classes that homonyms fall into, based on the degree of similarity?

What are the three channel through which modem English vocabulary develops?

The following words are formed by means of suffixation. Group the following words into noun suffixes, verb suffixes and adjective suffixes..darken, economical, socialist, decision, beautify. modernize, adulthood, successful, childish

etymological motivation

phrasal verbs

degradation of meaning

monomorphemic words