When the CEO is away, the 2-IC steps in to handle urgent decisions.

The research team found that ErbB-2 overexpression was linked to more aggressive tumor growth.

As a 2 L, she spent the summer interning at the public defender's office to gain trial experience.

The museum's new exhibit features a restored V-2 displayed alongside artifacts from the Second World War.

The linguist argued that V-2 functions as an alternative word order in casual speech.

The mechanic tuned the V-2 until the motorcycle purred like new.

Before starting treatment, the team tested the tumor for HER-2 overexpression to determine if trastuzumab would be effective.

We rented a K-2 and paddled down the river at sunrise.

They won the gold in the C-2 event after months of intense training.

Please hand me the marker labeled number 2.