1、
2、
The B-19, weighing eighty tons, was undeniably the most sophisticated and largest warplane globally.
B-19重达八十吨，无疑是全球最先进、最大的军用飞机。
金山词霸
3、
4、
Experiment with the rebound damping first-which we know is most likely too stiff.
首先测试回弹阻尼,通常它会太硬.
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