thin membrane/amn

21.   They then sent a remote command to unfold the mirror, made of a thin membrane covered with a metal layer.

a. + membrane >>共 111 个
thin 9.33%
outer 8.00%
apical 4.00%
white 3.11%
inner 3.11%
semi-permeable 2.22%
special 2.22%
nasal 1.78%
lateral 1.78%
the 1.78%
thin + n. >>共 844 个
layer 7.38%
air 5.97%
slice 5.16%
line 4.08%
coat 3.10%
strip 3.02%
ice 2.02%
stream 1.86%
volume 1.76%
film 1.39%
membrane 0.53%
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