helmet
/ˈhɛlmət/
A2 · Elementary★★★★☆
Simple Meaning
骑自行车或运动时戴的硬质帽子，用来保护头部。
When to Use
💬Daily Conversation✈️Travel English
Elementary — simple everyday language
Examples in Conversation
“骑自行车前别忘了戴上头盔。”
“他从滑板上摔下来时，头盔都裂了。”
Learning Path
▶Full Definition
A protective head covering, usually part of armour.