Summate
v. [数]求(…的)和
✅ 同义词
🗣️ 情景例句
or we won't be finished by dinnertime.
要不然， 晚餐时间到了我们还做不完。
There are only two minutes left.
只剩两分钟了。
OK, Mum. I'll get it.
好的，妈妈。我来接。