出国留学就一定要坐飞机啦，那么飞机场常见英文单词你到底知多少呢?
Group 4 petroleum alternative
1.constraint
2.contamination
3.deplete
4.dispose of
5.elementally
6.emission
7.extinction
8.reservoir
9.shrink
10.stable
Group 5 time efficiency
1.adjust
2.arbitrary
3.denominator
4.exponentially
5.infinitesimal
6.maximize
7.parallel
8.proportion
9.rate
10.sequence
Group 6 ancient life
1.accuracy
2.adjacent
3.compress
4.feasibly
5.gut
6.integrally
7.overlap
8.retain
9.seep
10.structure
