易混淆的单词： SealsSEALsSEALS

This is the most dangerous drill that seals perform .

这是海豹队员接受的非常危险的训练。

Then cement seals will be set to hold everything in place .

水泥密封件将被放置在该地来解决所有（漏油）问题。

For any official documents including housing contracts , they also require seals instead of signatures in japan .

包括房产合同在内的所有正式文件，在日本都要求加盖印章而不是签名。

Seals can cover great distances .

海豹的活动范围极大。

Navy seals would go in early and scan designated areas .

海军海豹突击队将先期进入，搜索预定的地点。