Seven sisters
七姊妹（世界七大石油公司）；北斗星团
🧩 词语组成解析
seven
['sɛvn]
num. 七;七个;第七;
n. 七;七个;
n. 姐妹们（sister的复数形式）
🗣️ 情景例句
They smell wonderful.
闻起来很香。
The wife is the key of the house.
妻子是一家的钥匙。
At last he said,I think I can help him. He'll be OK if I do one small operation.
“我想我能治他的病。只要我给他做一个小手术，他就会好的。”