1
a unit of ammunition
表示一个弹药单位时使用不定冠词a。
He used a unit of ammunition for the test.
他使用了一个弹药单位进行测试。
先理解核心含义，再看它在真实句子里的用法。
a charge of ammunition for a single shot
He used a unit of ammunition for the test.
他使用了一个弹药单位进行测试。
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可生成：学习解释 Learner guide。只有点击后才会开始生成。
a charge of ammunition for a single shot
The soldier carried exactly one unit of ammunition in his pack.
士兵的背包里正好携带了一个弹药单位。
Each unit of ammunition is carefully inspected before being loaded.
每个弹药单位在装填前都经过仔细检查。
The hunter counted out a single unit of ammunition for his rifle.
猎人为他的步枪数出了一个弹药单位。
表示一个弹药单位时使用不定冠词a。
He used a unit of ammunition for the test.
他使用了一个弹药单位进行测试。
复数形式表示多个弹药单位。
The soldier carried several units of ammunition.
士兵携带了几个弹药单位。
fire后跟数量再跟弹药单位。
The tank fired two units of ammunition.
坦克发射了两个弹药单位。
Not this
I need one ammunition unit.
Use this
I need one unit of ammunition.
中文语序直译导致名词短语结构错误，'弹药单位'应为'unit of ammunition'，而非'ammunition unit'。
Not this
He gave me unit of ammunition.
Use this
He gave me a unit of ammunition.
可数名词短语'unit of ammunition'前缺少不定冠词'a'，表示单数时需加上。
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Dictionary facts from ECDICT, WORDNET.