"Blast hole" 的音標為/blɑ?θ h??l/。
基本翻譯為"爆破孔"。
速記技巧:通過聯想“blast”意為“爆破”,“hole”意為“孔”,可以將這兩個單詞組合記憶,快速記住發音。
Blast hole的英文詞源可以追溯到拉丁語詞匯“blastus”,意為“爆炸”。這個詞后來被引入英語,并演變為“blast hole”,意為爆破孔。
變化形式:復數形式為blast holes。
相關單詞:
1. blasting(爆破):指使用炸藥或其他爆炸物進行開鑿或破壞的行為。這個詞也引申為“爆炸聲”的意思。
2. explosion(爆炸):指物體突然破裂并發出巨大聲響的現象。這個詞也常用于形容人的情緒突然爆發。
3. detonator(引爆器):指用于引發爆炸的裝置,通常用于爆破工程中。
4. dynamite(炸藥):一種用于制造爆炸的化學物質,常用于工程和軍事領域。
5. blast furnace(高爐):一種煉鐵設備,通過爆炸性的燃燒和還原過程將鐵礦石轉化為生鐵。
6. blasting cap(爆破雷管):一種小型爆炸裝置,常用于爆破工程中作為引爆其他炸藥的工具。
7. blasting gelatin(爆破膠):一種用于制造炸藥凝膠的化學物質,常用于工程和軍事領域。
8. blasting mat(爆破墊):一種用于保護建筑物或其他結構免受爆破沖擊的墊子。
9. blasting powder(爆炸粉):一種用于制造炸藥的化學物質,通常用于工程和軍事領域。
10. blasting shield(爆破防護罩):一種用于保護工人免受爆破沖擊的防護設備。
常用短語:
1. blasting holes
2. drill blasting holes
3. blasting with blast holes
4. make blast holes
5. blast hole diameter
6. blast hole depth
7. blast hole spacing
8. blast hole quality
例句:
1. We need to prepare for blasting holes before the construction work starts.
2. The drill operator must ensure the quality of the blasting holes for effective blasting.
3. The blasting holes were drilled at a depth of 5 meters, with a diameter of 5 cm.
4. The spacing between blast holes should be adjusted according to the terrain and the type of explosive used.
5. Poor quality blast holes can cause damage to the surrounding environment and equipment.
6. The success of the blasting operation depends on the quality of the blasting holes.
英文小作文:
Blasting holes are essential for effective mining operations, as they provide a pathway for explosives to be placed in the ground. The size, depth, and spacing of blast holes all play a crucial role in ensuring a safe and efficient mining process. However, poor quality blast holes can lead to environmental damage and equipment failure, which can be costly in terms of time and resources. Therefore, it is crucial to ensure that the blast holes are properly prepared and drilled to ensure a successful mining operation.