河面结冰了。
hémiàn jié bīng le 。
The river surface has frozen.
昨晚温度太低,水结冰了。
zuówǎn wēndù tàidī , shuǐ jié bīng le 。
The temperature was too low last night, and the water has frozen.
我们要等到冬天,湖水才会结冰。
wǒmen yào děngdào dōngtiān , húshuǐ cái huì jié bīng 。
We have to wait until winter for the lake water to freeze.