Heliotactic
a. [生]向日性的, 背日性的
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
How long have you had this pain?
疼痛多久了？
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。