unblock a road; unblock a coronary artery.
清除路;冠状动脉
unblock a road; unblock a coronary artery.
清除路;冠状动脉
the firm unblocks your drain with high-pressure jets.
公用高压喷射您的排道。
When the pipe was unblocked, the water drained out.
一打开管, 就了出来。
Father told me to unblock the pipe to let the water run through.
父亲叫我把管子打, 让过去。
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