🧩 词语组成解析
n. 正电子\\n[化] 正子; 正电子
n. X线断层摄影术\\n[医] X线体层照相术, X线断层照相术
scanner
['skænə]
n. 扫描器;扫描设备;检测装置;细查者;
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
I'm going by air.I like flying.
我将坐飞机去，我喜欢飞行。
it is very rarely that one comes across a dead body, except, of course, on the roads.
但是，除非在路上，很少有人遇到这些动物的尸体，