Ballooned
vt. 膨胀, 涨大（balloon的过去式与过去分词形式）
🗣️ 情景例句
And now to make sure we've got the hamburger patties.
现在确定一下我们带了汉堡碎肉饼。
But we cannot afford to depend on tradition alone.
但是我们不能靠吃老本过日。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。