這種防禦工事

這種 zheˋ zhongˇ

(This kind of, This sort of, This type of) This sort of, This kind of, This type of

防禦 fangˊ yuˋ

(Defense) Defense

防禦工事 fangˊ yuˋ gongˉ shiˋ

(Defensive) Defensive fortifications

工事 gongˉ shiˋ

(Civil, Defense, Military) Defense works, Military fortifications, Civil engineering matters