1
move/go/travel eastward
eastward 作副词，修饰动词，表示动作的方向是朝东。
The army moved eastward toward the river.
军队向东朝着河流进发。
向东
先理解核心含义，再看它在真实句子里的用法。
向东
toward the east
The army moved eastward toward the river.
军队向东朝着河流进发。
向东；朝东
Towards the east.
The birds flew eastward as the sun rose.
太阳升起时，鸟群向东飞去。
We drove eastward along the coast for about two hours.
我们沿着海岸向东行驶了大约两个小时。
The river flows eastward through the valley into the sea.
这条河向东流过山谷，汇入大海。
eastward 作副词，修饰动词，表示动作的方向是朝东。
The army moved eastward toward the river.
军队向东朝着河流进发。
from...eastward 表示从某处起向东延伸。
From the station eastward, the road is lined with shops.
从车站往东，道路两旁商店林立。
eastward 后可接介词短语补充行经的路线。
They walked eastward along the coast.
他们沿着海岸向东走。
Not this
The birds flew to eastward in autumn.
Use this
The birds flew eastward in autumn.
eastward 是副词，直接修饰动词 flew，不需要介词 to；汉语的“向东方”容易被直译为 to eastward，但英语中方向副词前不加 to。
Not this
The sun rises in the eastward.
Use this
The sun rises in the east.
汉语可以说“东方/东边”作方位名词，但英语 eastward 是副词，不能作介词 in 的宾语；表示方位名词应使用 east。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
向东行进
They traveled eastward along the old Silk Road.
他们沿着古老的丝绸之路向东行进。
朝东走；向东前进
After breakfast, we headed eastward toward the mountains.
早餐后，我们向东朝群山方向行进。
向东移动
The hurricane is expected to move eastward overnight.
预计飓风将在夜间向东移动。
向东流
The river flows eastward into the sea.
这条河向东流入大海。
向东扩展
The company plans to expand eastward into new markets.
该公司计划向东扩展，进入新的市场。
向东蔓延；向东传播
The fire spread eastward, threatening more homes.
大火向东蔓延，威胁到更多房屋。
耶和华上帝在东方的伊甸立了一个园子，把所造的人安置在那里。
From the Bible, Genesis 2:8 (King James Version), describing where the Garden of Eden was placed.
出自《圣经》创世记2章8节（英王钦定本），描述伊甸园所在的位置。
向东进发！
The title of a 1605 city comedy by Ben Jonson, George Chapman, and John Marston, from a cry used by Thames boatmen to hail passengers going east.
1605年城市喜剧剧名，作者为本·琼森、乔治·查普曼和约翰·马斯顿；源自泰晤士河船夫招揽往东乘客时的吆喝声。
Use eastward naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
east = 东，ward 像 toward 的尾巴；eastward 就是一路朝东。
语域：neutral 常见场景：方向与地理描述、正式书面叙述 通常用于书面或正式描写，多出现在方向、地理或旅行叙述中；日常口语里更常见的是 to the east。
eastward 的重读元音是 /iː/，没有整词押韵的常用词。所列 east、beast、least 与 eastward 开头部分的 /iːst/ 读音一致；所列 -ward 词都含 /wəd/ 结尾，但因重读元音不同，整词并不与 eastward 押韵。
Dictionary facts from ECDICT, WIKTIONARY.