| 单词 | 被阻塞 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔unchecked〕The plant will soon choke ponds and waterways if left unchecked.如不控制这种植物的生长，池塘和水道很快就要被阻塞。牛津高阶You use a plunger by putting the rubber piece over the opening of a blocked pipe, and moving the stick up and down, which produces pressure and suction alternately, dislodging whatever is blocking the pipe.将手压皮碗泵的皮碗放在被堵塞的管道的口上，上下拉动手柄，这样就会交替产生压力和吸力，疏通管道任何被阻塞的地方。剑桥国际 |
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