under
[副词]
at or to a position directly beneath or lower than something
Ex: Water was dripping down and under.
underneath
[副词]
directly below something, particularly when concealed by the thing on top

在...下面, 在...底下
across
[副词]
from one side to the other side of something

穿过, 横跨
Ex: She across easily despite the strong current .
abroad
[副词]
in or traveling to a different country

出国, 在国外
Ex: The company sent several abroad for the conference .
astray
[副词]
away from the correct path, direction, or course

偏离地, 迷路地
Ex: Without a clear plan , the project astray and failed to meet its goals .

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