在…的下方
5.tick lacking a dorsal shield and having mouth parts on the under side of the head.
6.The reel which takes up the film after it has been projected, is below and behind the lamp.
7.Use short or standard length thermostat. Vertical discharge line must be installed with its direction downward.
10.cut obliquely into (a tree) below the main cut and on the side toward which the tree will fall.

