There were smiles, as cameras flashed in photo ops, but beneath the surface... a grimness. 照相机镜头闪过时,他们脸上都挂着微笑,但在表面的笑容之下却是担忧。
But now most popularize objects are aged and with low self-stuff, the popularizing agricultural technique faced grimness circumstance. 但目前大多数技术推广对象年龄大、素质低,农技推广面临严峻形势。