Sumatra
n. 苏门答腊岛（印尼西部的大岛）
🗣️ 情景例句
It's almost ten o'clock.
差不多十点了。
Congratulations on your vitory.
我恭喜你胜利了。
It took him a little time to fix that watch.
他很快就把表修理好了。