Learn Chinese Smarter
huá dòng mén zài cáo gōu zhōng huǎn màn yí dòng
滑动门在槽沟中缓慢移动。
Sliding doors move slowly in grooves.
yī gè xiá zhǎi de cáo gōu
一个狭窄的槽沟
a narrow groove
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