Stk
[计] 堆栈
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
I'm going to the shops. I want to buy some food for supper this evening.
我要去商场，想买些东西为晚饭做准备。