I have engaged a room at this hotel.
You should give it a try.
I don't care what a car looks like as long as it gets me from A to B.
The function of an adjective is to describe or add to the meaning of a noun.
China is a developing country.
You're just a good for nothing bum!
Declension means varying the forms of nouns, pronouns and adjectives in a sentence.
Would you do me a favor?
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
同义词：angstrom, angstrom unit
any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
同义词：vitamin A, antiophthalmic factor, axerophthol
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
the basic unit of electric current adopted under the Systeme International d'Unites
the 1st letter of the Roman alphabet
the blood group whose red cells carry the A antigen
同义词：type A, group A