常見(jiàn)例句Farm workers frequently come in contact with these insecticides.辳場(chǎng)工人常常接觸這些殺蟲(chóng)劑。They observed how the crops reacted to these insecticides.他們觀察了莊稼對(duì)這些殺蟲(chóng)劑有什麼反應(yīng)。 返回 insecticides