Sliding drill arm
[机] 滑动钻座
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
drill
[drɪl]
n. 操练;钻头;军事训练;（应对紧急情况的）演习;
vt.& vi. 钻（孔）;打（眼）;操练;训练;
vt. 作…演习，操练;
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
What room are you in, sir?
先生，您住几号房？
Parents usually put a small red paper packet under their child's pillow.
父母常常会在孩子枕头下放一个小红包。
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。