acicular crystal金紅石發晶;針狀結晶;針狀晶體;針晶體
acicular structure針狀組織;針狀結構;針狀粉末
acicular cast iron針狀結構鑄鐵;針狀鑄體;針對鑄鐵;針狀鑄鐵
acicular powder針狀粉末;針狀粉;針狀粉未
acicular leaf針形葉;針狀葉
acicular martensite針狀馬氏體;孿晶馬氏體;片狀馬氏體;針狀麻田
acicular iron ore針鐵礦
acicular constituent針狀組織;針狀組分;貝氏體;貝狀體
acicular ice針狀冰;絲狀冰;纖維冰;屑冰
1. narrow and long and pointed; as pine leaves