: ua kom tooj liab-hauv qab.
Dab tsi yog tooj liab?
1: muaj tooj liab txheej hauv qablub lauj kaub tooj liab hauv qab. 2 British, tsis raws cai: tsim nyog tau txais kev ntseeg siab ntawm tooj liab hauv qab lav: qee yam ua tiav Cov yeeb yaj kiab yog tooj liab hauv qab ntaus.
kab lus tooj liab hauv qab tuaj qhov twg?
Cov txheej txheem tooj liab-hauv qab yog thawj zaug siv rau ntawm cov nkoj ntawm British Navy hauv xyoo 1761 los tiv thaiv lawv cov ntoo planking tawm tsam los ntawm Teredo worms aka Shipworms (ua tau yog hom bivalve clam) thiab txo cov kab mob los ntawm barnacles.
Dentify txhais li cas?
: kev tsim lossis hloov pauv mus ua qauv kho hniav.
Upcheck txhais li cas?
: ib qho kev txaus siab hauv qhov kev xeem thiab tshwj xeeb tshaj yog hauv daim tshev davhlau.