Sis
n. [美口]姐妹（等于sister）
✅ 同义词
🗣️ 情景例句
Mr. Stewart …
Stewart先生……
Excellent.
妙极了。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。