He did a dry run of his speech in front of a mirror.
他在一面镜子前面练习他的演讲！
We're going to practice a dry run of the performance tonight.
今晚我们将进行那场演出的彩排。
It will be a crucial dry run for the commercial success of the larger planes.
这将是更大型飞机能否取得商业成功的一次关键演练。
It will be a crucial dry run for the commercial success of the larger planes.
这将是更大型飞机能否取得商业成功的一次关键演练。
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