英[m?ti?ri?l ?breikdaun]
美[m?t?ri?l ?brek?da?n]
[詞典] 材料擊穿;
[例句]The conditions which must be satisfied in designing artificial fish reefs ares sufficient material strength; breakdown resistant;
設計海底人工魚礁必須滿足的條件是&具有壹定的強度，不破壞；