🗣️ 情景例句
I don't know for sure.
我不太清楚。
In case of fire, keep your head.
万一发生火灾，保持镇定。
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。