Retaining powel
[化] 制動爪
?? 詞語組成解析
n. 保留, 保持, 維持防護\\nv. 保持( retain的現在分詞 ); 攔住; 保存; 止住
[人名] 鮑威爾
??? 情景例句
How long has he held office?
他已任職多長時間了？
I couldn't keep the appointment because I was sick.
我不能赴約因為我病了。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到倉庫找到一個既適合供應管也適合供氣管的接頭。