在想要使用电动射钉枪之前要先熟练使用锤子，与此相似，在试图采用更强大的自动管理工具之前也要先能自如地手动管理这些类。
You should learn to use a hammer before you pick up a nail gun. Likewise, you should become comfortable managing classes manually before you try to use more powerful tools.
考古队称现场的碎片规格、形状十分类似17世纪的小型金属枪。
The team said that the size and shape of the pieces looks very similar to the small iron guns of the 17th century.
这枪与《星球大战第六集：绝地归来》中波巴·费特使用的枪是同一类型的。
It's the same type of weapon brandished by Boba Fett in Star Wars: Episode VI Return of the Jedi.
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