1、In some cultures ,certain foods are taboo . Taboo is a word from the language of the Fiji Island ,used to decribe something forbidden .
taboo根据后面的定义“forbidden”应该是禁止、禁令的意思
2、The invention of snorkel , a long air tube that reaches up to the surface ,has made it possible for submarines to use their diesel engine even when they are submerged.
snorkel根据“a long air tube that reaches up to the surface”的定语，应该是......这类的管子
3、Such experiences are not unusual for the amateur conchologist,people who collect shells .
conchologist根据“collect shells”应该是贝壳收集者
