Undersetting
v. 底流, 暗流, 与海面流向相反的潜流( underset的现在分词 )
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
I graduated from Yale University 5 years ago.
五年前，我从耶鲁大学毕业。
We are so familiar with the fact that man ages,
我们对人总是要衰老的现象并不陌生，