例句與造句

1. The X-scope also includes a wee flashlight, a signal whistle, and directional compass.
2. Mackey gave a short blast of his ship's signal whistle to indicate that he had the right of way, but was met with two short blasts from " Imo ", indicating that the approaching vessel would not yield her position.
3. A survival kit was also placed on board to assist Glenn while waiting for recovery after splashdown including : desalter kits, dye marker, distress signal, signal mirrors, signal whistle, first aid kits, shark chaser, a PK-2 raft, survival rations, matches, and a radio transceiver.
4. It's difficult to find signal whistle in a sentence. 用signal whistle造句挺難的