but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年还要派狗到雪山地里去帮助那些遇到困难的旅游者，
新概念英语第三册
Lesson 8 A famous monastery
📚 句中词汇解析
从本句中提取的重要词汇
adv. 究竟什么时候;不论何时;
conj. 无论什么时候;随时;无论何时;每当;
💡 when何时+ever究竟→无论何时,随时
"You can ask for help whenever you need it."
你如果需要帮助随时可以提出来。
近义：if, provided, when, whensoever, whene'er
n. 旅行者，旅客;[机]移动式起重机;[船]（铁杆或缆索上的）活环，带有活环的铁杆;
💡 travell旅行+er名词后缀 → 旅行者
"She is a frequent traveller to Belgium."
她经常到比利时去旅行。
近义：passenger, rider, traveler, voyager, commuter, excursionist
n. 困难，麻烦，难事;难度;异议，争论，纠葛;财政困难，（经济）拮据;
💡 difficult困难的+y表名词 →困难
"They showed great perseverance in the face of difficulty."
他们面对困难表现了坚强的毅力。
近义：headache, hindrance, hitch, holdback, holdup, hurdle
反义：ease, easiness
n. 年;年纪;一年的期间;某年级的学生;
"The students return in October for the start of the new academic year."
学生于十月返校，开始新学年的学习。
近义：twelvemonth, annum
adv. 仍，仍然;更，还要;静静地;〈诗〉常，不断地;
adj. 不动的，静止的;不狂暴的，温柔的;没有活力的，死气沉沉的;
n. 平静，寂静;剧照;静止摄影;蒸馏器;
vt.& vi. （使某物）平静下来，安静;〈古〉烧（酒），蒸馏;
conj. 但是;然而;
"Although he's nearly 80, he is still very active."
尽管快80岁了，他还是十分活跃。
近义：hush, appease, lull, assuage, mollify, pacify
反义：incite, perturb, shake, trouble, upheave, upset