at the end of each month
每个月底管 at each end of tube
在每个月底 at each end of
每个月的月底 End of each month
获胜者将在每个月底选出。
Winners will be selected at the end of each calendar month.
《柯林斯英汉双解大词典》
他们有两个吸孔，一在每个月底。
They have two suckers, one at each end.
youdao
这是一个有两个头，每个月底的机构之一羚羊。
It was an antelope with two heads, one on each end of its body.
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