Karidium
氟化钠
🗣️ 情景例句
I can always depend on you, Sam.
我知道我可以依靠你 ，Sam。
May I try it on?
我能试穿一下吗？
He had his supper, listened to the radio, read a newspaper and then went to bed.
他吃晚餐，听收音机，读报纸，然后睡觉。