请输入您要查询的英文单词：
单词
round sth down
释义
round
sth
down
—
phrasal verb
with
round
verb
[
T
]
uk
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/
raʊnd
/
us
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/
raʊnd
/
toreduceanumberto thenearestwholeorsimplenumber
把（数）下舍入，舍弃尾数把（数字）调低为整数
#https://dictionary.cambridge.org//dictionary/english-chinese-simplified/round-sth-down##