qǐ luò
to rise and fall
take-off and landing
ups and downs
qǐ luò zhuāng zhì
aircraft take-off and landing gear
chuí zhí qǐ luò fēi jī
vertical take-off and landing aircraft
duǎn jù qǐ luò fēi jī
short take-off and landing aircraft
qǐ luò chǎng
airfield
take-off and landing strip
chuí zhí hé duǎn jù qǐ luò fēi jī
vertical or short take-off and landing aircraft