unblock a road; unblock a coronary artery.
清除路障；疏通冠狀動脈
the firm unblocks your drain with high-pressure jets.
公司用高壓噴射水流疏通您的排水道。
When the pipe was unblocked, the water drained out.
一打開水管, 水就流了出來。
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。
unblock a road; unblock a coronary artery.
清除路障；疏通冠狀動脈
the firm unblocks your drain with high-pressure jets.
公司用高壓噴射水流疏通您的排水道。
When the pipe was unblocked, the water drained out.
一打開水管, 水就流了出來。
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。
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