Scanning drum
[计] 扫描滚筒
🧩 词语组成解析
[计] 扫描\\n[医] 断续言语, 扫描
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
🗣️ 情景例句
when she was running for the school board.
在妈妈竞选联合校董会席次时。
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
Every solid object will reflect a sound, varying according to the size and nature of the object.
任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。