一：降落伞的是什么意思（中英文）解释的意思：

降落伞是一种用于减缓物体下落速度，使其安全着陆的装置。它由一个可以展开的布制盛装袋和连接绳组成，通常用于空中运输、行动、救援任务等场合。

Parachute is a device used to slow down the falling speed of an object and ensure its safe landing. It consists of an expandable fabric container and connecting ropes, and is commonly used for aerial transportation, military operations, rescue missions, etc.

二：怎么读（音标）：

[ˈpærəʃuːt]

三：用法：

降落伞通常由飞行员或跳伞者在空中使用。当他们需要从高空跳出飞机或直升机时，会将降落伞打开，以减缓下落速度，并最终安全着陆。此外，降落伞也可以作为救生设备，在紧急情况下被投放到水面上，以拯救溺水者。

Parachutes are typically used by pilots or skydivers in the air. When they need to jump out of a plane or helicopter at high altitudes, they will deploy the parachute to slow down their descent and land safely. In addition, parachutes can also be used as life-saving devices, being dropped onto water surfaces in emergency situations to rescue drowning individuals.

四：例句1-5句且中英对照：

1. The pilot pulled the cord and the parachute opened, slowing down the plane's descent.

飞行员拉动了绳索，降落伞打开，减缓了飞机的下降速度。

2. The skydiver's parachute failed to open, causing him to fall at a dangerous speed.

跳伞者的降落伞未能打开，导致他以危险的速度坠落。

3. The rescue team used a helicopter to drop food and supplies to the stranded hikers using parachutes.

救援队利用直升机通过降落伞向被困的徒步旅行者投放食物和物资。

4. In case of emergency, pull this lever to release the parachute and safely land on the ground.

在紧急情况下，拉动这个杠杆可以释放降落伞，并安全着陆在地面上。

5. The military used parachutes to drop soldiers behind enemy lines during the war.

方在战争中使用降落伞将士投放到敌后。

五：同义词及用法：

1. Parachute (n.) - a device used for slowing down the descent of an object or person in air

2. Chute (n.) - a steep, narrow slide used for moving objects or people from one level to another

3. Airfoil (n.) - a structure designed to produce lift by moving through air; can be used as an emergency parachute in some aircrafts

4. Bailout (n.) - an emergency escape from an aircraft; can be done using a parachute

5. Landing gear (n.) - the wheels, floats, or skids on an aircraft that support it during landing

六：编辑总结：

降落伞是一种重要的空中装置，能够保证人们在高空作业或跳伞时的安全。它的用法广泛，不仅可以用于行动和救援任务，还可以作为普通人的娱乐活动。通过本文，读者可以了解降落伞的基本定义、用法和同义词，希望能够对大家有所帮助。