hydra
hyd
ˈhaÉĒd
haid
ra
rə
rē
/hˈa‌ÉĒdɚɐ/

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "hydra"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

01

āĻšāĻžāχāĻĄā§āϰāĻž, āĻŽāĻŋāĻˇā§āϟāĻŋ āϜāϞ⧇āϰ āĻĒāϞāĻŋāĻĒ

a freshwater polyp with a cylindrical body and tentacles
āωāĻĻāĻžāĻšāϰāĻŖ
In the lab, students conducted experiments to study the feeding behavior of the hydra.
āĻ˛ā§āϝāĻžāĻŦ⧇, āĻ›āĻžāĻ¤ā§āϰāϰāĻž āĻšāĻžāχāĻĄā§āϰāĻž-āĻāϰ āĻ–āĻžāĻĻā§āϝāĻžāĻ­ā§āϝāĻžāϏ āĻ…āĻ§ā§āϝāϝāĻŧāύ āĻ•āϰāϤ⧇ āĻĒāϰ⧀āĻ•ā§āώāĻž-āύāĻŋāϰ⧀āĻ•ā§āώāĻž āϚāĻžāϞāĻŋāϝāĻŧ⧇āϛ⧇āĨ¤
02

āĻšāĻžāχāĻĄā§āϰāĻž, āĻ¸ā§āĻĨāĻžāϝāĻŧā§€ āϏāĻŽāĻ¸ā§āϝāĻž

trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality
03

āĻšāĻžāχāĻĄā§āϰāĻž, āĻšāĻžāχāĻĄā§āϰāĻž āύāĻ•ā§āώāĻ¤ā§āϰāĻŽāĻŖā§āĻĄāϞ

a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
04

āĻšāĻžāχāĻĄā§āϰāĻž, āϞāĻžāĻ°ā§āύāĻŋāϝāĻŧāĻžāύ āĻšāĻžāχāĻĄā§āϰāĻž

a mythical serpent-like creature in Greek mythology that has multiple heads, and if one head is cut off, two more will grow in its place
App
āύāĻŋāĻ•āϟāĻŦāĻ°ā§āϤ⧀ āĻļāĻŦā§āĻĻ
LanGeek
āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ