Holes were cut into the hulls to sink the vessels and they were then filled with sediment, mostly mud, to weigh them down and secure them.
本次賽事中，格雷莫再度稱霸坡面障礙技巧賽勇奪銀牌；而這位瑞士名將因失誤退出空中技巧賽後，谷愛凌以亞軍作收。
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Space & Astronomy
swap(&arr[j], &arr[j + 1]);