Xrays
(xray 的复数) n. X光
🗣️ 情景例句
You're right, Ellen.
你说得对， Ellen。
It is not every couple that is a pair.
成双并非皆配偶。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，