- 双语例句
1、
In some more complex cases, secondary amines can be nitrated directly with nitrating mixtures.
在某些复杂的情况下, 仲胺能用混合硝化剂直接硝化.
辞典例句
2、
More expensive nitrating agents may be used.
还可应用较贵的硝化剂.
辞典例句
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