Vocab Bank & Cognitive Development

Abella & Clarabelle will be 18mths old tomorrow. Their vocab bank have exceeded 20!
1.bear bear
2.ball
3.ba-ball (balloon)
4.hua (flower in mandarin)
5.bird bird
6.dog dog
7.mi (cat meow)
8.fish
9.apple
10.bus-c
11.bu bu (car)
12.milk
13.Barney
14.daddy
15.mummy
16.ma (my mother. As for gong gong not yet but they can acknowledge)
17.ah yi
18.ka ka (my maid)
19.bye bye
20.Yi (one in mandarin)
21.good good
22.star star
23.Eee! dirty dirty new
24.Pss (please) new
25.wait new
26.pear new

other cognitive development which are notable like:
scenario 1
One day they were enjoying the scenery outside the window. Clara's head accidentally knock against the glass. She started to weep. When Abella saw this, she extended her hand and sayang Clara's head...

scenario 2
When they see somebody still asleep, they will place their petite little finger on the lip making ss- ss- sound signal to keep quite.

scenario 3
Abella & Clarabelle will hug and kiss each other when prompt. Last night we went out for a stroll, we prompt them to hold hand and Clara extended her palm to Abella and happily they walk around the neighbourhood with their hand firmly griped.

scenario 4
Abella & Clarabelle will play pretend to sleep game and cover themself with the blanket.

scenario 5
When any of them cough, they will pat for each other.

scenario 6
This morning the daddy was mixing their milk. I show them a stop hand asking them to lie down and repeating the word "wait". However Abella refuse to stop her activity and wanted to sit up. The word "wait" then spilled out of Clarabelle's mouth signal Abella to lie down and wait!