I was surprised by the speediness of their arrival.

他们的迅速到来出乎我的意料之外。

youdao

To a ship with good speediness, the performances of ship, main engine, and propeller must match each other.

快速性良好的船舶应使得船、主机和螺旋桨之间的性能综合匹配。

youdao

This method not only ensures speediness and robustness of the control system, but also can effectively weaken chattering.

该方法既保证了控制系统的快速性和鲁棒性，又能够有效地削弱颤振。

youdao

Its speediness results from its ability to trigger the recipient's e-mail program to send a copy of itself to everyone listed in the program's address book.

CNN: 'Melissa' May Have Built a False Sense of Security

According to these witty guys, Instant has already saved 36, 000 hours with its speediness, and they estimate it'll accumulate a cool 350 million saved hours over the course of a year.

ENGADGET: Google announces Google Instant search, available now for desktop, mobile this fall