ひっけい
必携
indispensable; essential; must-have
N5Common wordNo-adjective
No-adjective, Noun (suffix)
indispensable•essential•must-have
Noun
handbook•manual•vade mecum
Example Sentences
TOEICの学習に限らず、英語を学ぶのであれば英和辞典は必携の書の一つでしょう。
An English-Japanese dictionary is surely a must have book, not just for those taking TOEIC, but for all studying English.