Smartcard
n. 智能卡；万通卡
🗣️ 情景例句
That's it.
是的。
Remind me to mail this letter.
记得提醒我要寄这封信。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。