serpents例句

Serpents cast their skin once a year.
蛇每年蜕一次皮.

In the sea two huge serpents were swimming.
两条大蛇在海里游动.

In cool weather, serpents do not tempt; they grow diffident, recede and hibernate.
在凉爽的天气里, 蛇是不会出来引诱人的, 它会胆怯 、 退避,还要冬眠.

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