摘要：173. distinct from种类(风格)不同174. do the laundry洗衣服175. doubtful of /about怀疑176. drop by / in 顺路拜访177. due to 由于,因为178. each other 互相

173. distinct from种类(风格)不同

174. do the laundry洗衣服

175. doubtful of /about怀疑

176. drop by / in 顺路拜访

177. due to 由于,因为

178. each other 互相

179. easier said than done说起来容易做起来难

180. east of在...东面

181. equal to相等,胜任

182. equivalent to等于,相当于

183. essential to/for必不可少

184. even if/though 即使,虽然

185. ever so 非常,极其

186. every now and then 时而,偶尔

187. every other 每隔一个的

188. except for 除了...外

189. expert at/in/on善于

190. face to face 面对面地

191. faculty members 教职员工

192. faithful to忠实于

193. fall flat 平躺在地上

194. familiar to sb为...所熟悉

195. familiar with sth熟悉,通晓

196. far from 远非,远离

197. fatal to致命的

198. favorable to支持,赞成

199. fearful of惧怕

200. feel at home熟悉

201. feel blue心情不好

202. feel free to随便

203. figure out sth. 解决

204. fit for适于

205. flat tire轮胎没气

206. flat tire轮胎没气

207. fond of喜欢

208. for ever 永远

209. for good 永久地

210. for the better 好转

211. for the moment 暂时,目前

212. for the present 暂时,目前

213. for the sake of 为了,为了...的利益

214. for the time being 暂时,眼下

215. foreign to非...所原有

来源：自然小课堂