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test
test
environ.
试验
ad hoc
to phrases
test
n
environ.
试验
(对(一种物质、材料或系统)利用一些化学或物理程序，进行测试，旨在表明一种物质或财产的存在。)
test:
23 phrases
in 3 subjects
Environment
8
Mathematics
6
Statistics
9
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