What are the long vowels and short vowels in English phonetic symbols?

Long vowel: [e? ], [I:], [a? ]、/? /、[ju:]、[a:]、[? :]、[u:]

Short vowel: [? ], [e], and? 、 [? ]、 [? ]?

When do vowels sound long:

1, this syllable is stressed in "vowel letter+consonant letter+silent e".

Such as: I am combining; Nominal a; And: games, safety, manufacturing, gates, whales, Pete, integrity, athletes, nine, sides, miles, kites, nice, attention, roses, earth, those, bones, cubes, rules, June, silence, sand dunes?

2. The combination of two vowels, the first vowel is long and the second vowel is silent.

For example: ai, ay? Pronounce long A sounds, such as sail, fail, day, say, ea, ee, Crocodile, such as sea, see, meal, tea, need,? Pronounce long I sounds, such as tie, lie and pie.

Oa, oe sound length o, such as load, coat, toe, boat, etc. , ue, ui sound long u, such as glue, suit, blue,? Fruit and so on.

3. Two vowel combinations, the first vowel is silent and the second vowel is long.

For example: eu long u sound:? Euro, feud, eulogy, detective, Europe, that is, E Long-voice: submission, chief, relief, trust, puppy, ui dragon I- voice: guide.

Extended data:

When do vowels pronounce short vowels?

1. When there is only one vowel in a word or syllable, the vowel sounds very short.

For example:

Ants, and cats, come on, map.

Eggs, nets, letters, beds, tents

Me: inch, drill, stick, needle, pig.

O: cow, hot, top, no, get it

On the bus, in summer, cups, mud

2. Exceptions to short sounds made by vowel combinations.

ea? Short e:? Head, bread, heavy, dead, ready

Oo short u sound: (similar to Chinese pinyin u) books, look, wood, feet, cookies, and blood and floods.

My voice is very short: monkeys, money, honey, hockey, volleyball.

3, y and I: special pronunciation rules

When y is at the end of the word and the word has only one syllable, y reads the long sound of vowel I,

Cry, try,? Shit, my spy, fly

Y+ stress in the middle of the word; Or the end+weak reading, short I sound.

Pyramid, bobcat, typical, bicycle, symbol

Puppy, baby, candy, city, sorry.