零下的英文：
below zero

参考例句：

The thermometer was 13 degrees below zero.
温度计上指着零下十三度。

Minus five degrees
零下五度

It was five below zero last night.
昨夜温度是零下五度。

The temperature plunged below freezing.
温度骤降至零下。

The temperature is minus twenty degrees.
温度是零下二十度。

A minus value;minus five degrees.
一个负值，零下五度

It's about five degrees below zero.
大约零下五度。

The temperature is minus twenty degrees
温度是零下二十度。

The temperature was minus 20 degrees.
温度是零下20度。

The temperature is now minus 5 degrees.
现在气温为零下五度。

zero是什么意思：
n. 零；零点；零度；没有
v. 瞄准；聚焦

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。

Make sure you are not dividing by zero.
确保不会除零。

The temperature will be above zero.
气温将在零度以上。

His hope was reduced to zero.
他的希望化为乌有。

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。