I heard the ripple of the stream.我听到了小溪的潺潺声.Delayed flights have a ripple effect. Just one late flight could be carrying passengers for a dozen connecting services.航班晚点会引发连锁反应。仅仅一趟晚点的航班就可能运载着许多需要转机的乘客。There was a ripple ...
只需拧一下阀门，气囊就能重新密封。The bag is resealed with a simple twist of the valve.他换掉了坏阀门。He replaced a dud valve.送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病.The feed - pipe is as clean as a whistle, so I'm afraid, if the oil is not gettin...