Showing: system
273 sentences for 統 (tǒng — system) — page 12 of 14
Ecosystems are changing.
Source: United NationsIn fact, exercise seems to boost the immune system.
Source: CCMatrix
273 sentences for 統 (tǒng — system) — page 12 of 14
Ecosystems are changing.
Source: United NationsIn fact, exercise seems to boost the immune system.
Source: CCMatrix