#獲得、吸收、或過濾生物
#Capture, absorb, or filter organisms
內壁防止昆蟲的腳附著 (Walls keep insect feet from sticking)
豬籠草內壁透過以片狀、蠟質並會變硬的物質堵塞昆蟲的腳來防止其逃走
(The internal walls of pitcher plants prevent insects from escaping by clogging their feet with a flaky, waxy substance and being rough.)
