That was the case until last weekend, when a13-metre-long grey whale was spotted cruising off the coast of Israel.
这种情况一直持续到上周末,那时一条13米长的灰鲸在以色列的岸边被巡航的船发现。
This string is half a metre shorter than the other.
这根绳子比另外一根长半米.
The hole must be half a metre deep.
坑一定要有半米深.
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