Platradon
[医] 铂氡小管
🗣️ 情景例句
I find that hard to swallow.
对这一点我难一相信。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
The order to abandon ship was given and hundreds of people plunged into the icy water.
于是，他发出弃船的命令，几百人跳进了冰冷刺骨的海水里。