descend

下降；下去；下来；遗传；屈尊英释vvto move from a higher level to a lower one

1 descend from,由…传下来的；起源于

2 descend on,袭击

3 descend upon,vt. 突然到达）；袭击（突然降临

1 Our plane started to descend..我们的飞机开始下降。

2 I heard his footsteps descending the stairs..我听到他下楼的脚步声。