China
127408
ward / district / section
70909
approximately / about
161126
10^8 / 100,000,000 / hundred million
52922
10,000 / ten thousand
156842
ago / before (some event) / previously
117076
middle period
127336
stratum / geological formation / layer / bed (coal, gravel, etc.)
126401
origin / primeval
76108
mark / target
131568
fossil / petrifaction / fossilization / fossilisation
53918
geological features
126337
antiquity / ancient times
77262
raw food / perishables
112662
research establishment (institute, laboratory, etc.)
75190
international
83998
study / research / investigation
75170
dated (e.g. a letter) / date of effect (e.g. a rule change)
148249
abbreviation for Britain or British
50682
science
55229
magazine
91935
electron
133118
edition / version
144561
certainty / reliability / soundness
59297
discrimination / discernment / identification
94058
to be able (in a position) to do / to be up to the task
100130
fossil / petrifaction / fossilization / fossilisation
53918
female (animal)
92057
length of an animal (sometimes including and sometimes excluding the tail)
122168
greatest / largest / maximum
86383
approximately / about
161126
feathers / plumage / down
49812
dinosaur
68706
blood / consanguinity
74140
huge / gigantic / enormous
67552
10^8 / 100,000,000 / hundred million
52922
10,000 / ten thousand
156842
ago / before (some event) / previously
117076
fossil / petrifaction / fossilization / fossilisation
53918
China
127408