腰带扣，又名皮带扣、皮带头、腰带头、扣头，材质一般为纯铜、锌合金、钢、钛合金等，采用高温溶解铸造冷却而成。
这根腰带扣不上。
所有那些对我意义重大的高领衬衣，所有的腰带扣和领带夹，很久以前我就把它们束之高阁了。
All of those crisp-collared shirts that mattered so much there, all of the belt buckles and tie bars, I put them in storage a long time ago.
然后使用一个带靠背座椅增加15至36公斤，孩子上车的座位是在儿童的3点腰带扣。
Then use as a seat with backrest increase from 15 to 36 kg, which kid is on the 3-point belt of the vehicle in the child seat buckled.
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