Valmiki Ramayana Sundara Kanda Sarga 17 Shloka 3

ततः then, सः he, पूर्णचन्द्रनिभाननाम् whose face was like the fullmoon, भारैः with heavy, अम्भसि in water, न्यस्ताम् placed, नावमिव like the boat, शोकभारैः under the burden of sorrow, इव as if, सीताम् at Sita, ददर्श saw.

Then he saw Sita whose face shone like the fullmoon. But she was as though sinking under the burden of sorrow, like a boat with heavy load sinking in water.