solicitude

n. 热心;关怀

soldier, soldierly (also soldier-like), soldiery, sole, solecism, solely, solemn, solemnity, solemnization, solemnisation, solemnize, solemnise, solemnly, solemnness, solenoid, Solent, solicit, solicitation, solicitor, Solicitor-General, solicitous, solicitously, solid, solid-state, solidarity, solidification, solidify, solidity, solidly, soliloquize, soliloquise, soliloquy, solipsism, solitaire, solitarily, solitary, solitary confinement, solitude, solo, soloist, solstice, solubility, soluble,