★ tread（pt trod pp trodden） ～ on sth/sb 踩，行走，踏
She trod lightly so as to not to wake the baby。
她走路很轻，以免影响孩子。
She trod casually, enjoying the touch of the damp grass on her feet.
她随意行走，享受着脚底接触着湿草的感觉。
They had trodden a path to the steam.
他们踩出了一条通往小溪的小路。
Every morning he trod the same street to school.
每天早上他走同一条街道去上学。
★ trample（n）踩坏或踩伤某物
The campers had trampled the corn down。
野蛮的人踩坏了庄稼
Many people were trampled in the panic that followed.
很多人在随后的恐慌中被踩伤。
They don't want people trampling the grass, pitching tents or building fires.
他们不想让人们践踏草地、搭帐篷或生火。
Don't trample on grass.
勿踏草地。