The difference between ue and uan is that ue is a vowel, while uan is not a vowel, so the pronunciation is different.

The characters of ue are: Jue, Que, Yue, Jue, Yi, Jue, Yi, Di, Di, Xue and so on.

The characters of uan are: temperature, short, broken, end, knot, forging, assembly, closing, pipe, can, pavilion, width, knot and so on.

Explanation:

First, short du m: n?

1. The distance between the two ends is very small (as opposed to "long"). A) refers to the space: ~ knife. B) refers to time: ~ period.

2. lack; Owe: reason ~. Short of Jin ~ two. Everyone else came, so he was the only one.

3. Disadvantages: learn from each other's strengths. Long talk ~.

Second, Xue Xuyu?

1. White crystals falling in the air, mostly hexagonal, are formed by condensation of water vapor in the air layer when the temperature drops below 0℃.

2. Snow-like color or luster: ~ white. ~ bright.

3. Last name.

Third, the vacancy.

1. Back: Back ~. ~ step.

2. retreat: ~ the enemy.

3. Decline; Reject: push ~. ~ is disrespectful. That's very kind of you.