立彬の日本語
幼児は病気にかかりやすい。
tbd
Infants are subject to diseases.
938
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幼児， ようじ
1. young child, toddler
2. child over 1 but not yet of school age
幼儿，学步儿童；未满学龄的儿童（1岁以上）
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病気にかかる， 病気に罹る， びょうきにかかる
1. to contract a disease, to get sick, to become ill
tbd
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やすい， 易い
1. easy
2. likely to ..., have a tendency to ...
3. easy to ...
容易的；易于
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调