vt.排除障礙

A telephone call between Mary and Jack will unblock the whole situation. 瑪麗和杰克之間的一段電話通話掃除了一切障礙。

We had to call a plumber to unblock the drains. 我們得叫管道工來通一通下水道。

Father told me to unblock the pipe to let the water run through. 父親叫我把管子打通, 讓水流過去。

未被攔阻

n.防曬霜；紫外線防護霜