蛋变成小鸡的英文表达是 "the egg hatches into a chick"。
来源：
蛋是指生物孵化的卵，小鸡是指雏鸡。当蛋在合适的条件下孵化，小鸡会从蛋中孵出来。
一些英文例句及其中文翻译：
"After three weeks, the egg finally hatched into a chick." (经过三周，这个蛋终于孵出了小鸡。)
"I watched in amazement as the egg turned into a fluffy pttle chick." (我惊讶地看着这个蛋变成了一只蓬松的小鸡。)
"The chick emerged from the egg, looking a pttle wet and bedraggled but otherwise healthy." (小鸡从蛋中出来，看起来有点湿漉漉的，但是其他方面健康。)
来源：
蛋是指生物孵化的卵，小鸡是指雏鸡。当蛋在合适的条件下孵化，小鸡会从蛋中孵出来。
一些英文例句及其中文翻译：
"After three weeks, the egg finally hatched into a chick." (经过三周，这个蛋终于孵出了小鸡。)
"I watched in amazement as the egg turned into a fluffy pttle chick." (我惊讶地看着这个蛋变成了一只蓬松的小鸡。)
"The chick emerged from the egg, looking a pttle wet and bedraggled but otherwise healthy." (小鸡从蛋中出来，看起来有点湿漉漉的，但是其他方面健康。)