Correct

伞投

/ sǎn tóu / 
Strokes

Example

As a Verb

drop by parachute; parachute

1
Tāmen
他们
gěi
给
zhùfáng
驻防
bùduì
部队
sǎn
伞
tóu
投
le
了
yīxiē
一些
gōngyìng
供应
wùzī
物资
  
。

They have airlifted some supplies to the garrison.

2
Jiùyuán
救援
wùzī
物资
yǐ
已
sǎn
伞
tóu
投
dào
到
zhènōu
震区
  
。

Relief supplies have been parachuted into the earthquake zone.

3
Sǎn
伞
tóu
投
zhàomíngdàn
照明弹

parachute flare

4
Sǎn
伞
tóu
投
zhàdàn
炸弹

parachute bomb; parabomb