Drop shutter
旧式快门
🧩 词语组成解析
drop
[drɑp]
vt.& vi. （使）落下;投下;（使）降低;减少;
vt. 放弃;停止;（故意）降下;垂下（眼睛）;
n. 滴;空投;降落;少量;
vi. （水或其他液体）滴;结束;（因受伤或死等）倒下;退出;
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
There is no royal road to learning.
治学无坦途。
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他来到一个投币地电话前，