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
We need to bring a flashlight.
我们需要带一个手电筒。
The price of this model of cassette-player is 2500 Belgian francs at today's rate of exchange.
这个型号的录音机，按今天汇率，每台2500比利时法郎。
In the end this political movement succeeded and Indians were allowed to make and sell salt.
但最终这场政治运动以印度人获准生产与销售盐而告成功。