What is the pronunciation of the left and right check words

What is the pronunciation of the left and right check words

Alkanes: 1. In organic chemistry, a class of compounds whose molecular formula can be expressed by CnH2n + 2: (main components of biogas and natural gas)

What's the pronunciation of "he"

Harmony: Harmony: beauty, harmony, harmony, harmony, harmony and sincerity
H è: sing harmoniously: high to low. Write poems according to the theme or genre of other people's Poems: poetry
To stir or rub together in a powder: flour. Mud
When playing mahjong or playing cards, a family's cards meet the requirements and win