Seoul had postponed the drills , citing bad weather .

韩方已经以天气恶劣为由，推迟了演习。

Bobby seale leading black panther drills in oakland , california .

博比西尔在加州奥克兰市训练黑豹党人。

In industry , lasers are the saws and drills that never get dull .

在工业上，激光被用来作为锯和钻头，而且它永远不会变钝。

We ran out through waist-deep water , and as we hit the beach a whistle blew : whistle drills .

我们从齐腰深的海水里跑了出来，来到沙滩上进行口哨操练。

Annual disaster drills are conducted .

每年都有灾难演习。