学生们在老师走进教室时鞠躬以示尊敬。

The students ___bowed when their teacher entered the classroom to show respect.

船长站在船头观察前方的冰山。

The captain stood at the ___bow to observe the iceberg ahead.

这把弓是用优质木头制成的，射程很远。

This ___bow is made of high-quality wood and can shoot arrows over long distances.

她在裙子上系了一个漂亮的蝴蝶结。

She tied a lovely ___bow on her dress.