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1·Watermelon mosaic disease was found in watermelon, Citrullus vulgaris, on Hainan Island, with an incidence of 10-30%.

在海南岛的西瓜中发现了西瓜花叶病，发病率为10-30％。

2·S4: It's on Hainan Island.

S 4：它是在海南岛。

3·No. Hai Rui was born on Hainan Island.

那倒不是。海瑞出生在海南岛。

4·Would you like a map of Hainan Island?

您需要海南的地图吗？

5·Hainan Island lies in the south of China.

海南岛位于中国的南部。

6·They would spend the winter on Hainan Island.

他们过去会在海南岛过冬。

7·I visited Hainan Island last winter vocation.

我去年寒假到了海南岛。

8·The whole Hainan Island could be seen like that.

整个海南岛，全是这样的东西。

9·Hainan island is the second largest island of China.

海南岛是中国的第二大岛。

10·Hainan island is the second largest island in China.

海南岛是中国第二大岛。