spring frost

基本解释

The growing season is defined as the period between the last frost in spring and first frost in the fall.
生長季節的定義爲：春天最後一次霜凍到鞦天第一次霜凍之間這段時間。
As to that great tree, strong-trunked and broad-armed, it seemed to defy a spring-night frost to harm its still bare boughs.
至於那株大樹，樹身雄偉，枝丫粗大，似乎不把春夜寒霜放在眼裡，不怕它會損害那依然光禿的枝柯。
Comparing to the old microtherm standard for cold of the late spring and late frost index, the new standard is much more flexible and practical.
竝與舊標準中的“倒春寒”和晚霜凍指標進行了對比分析。

The first shoots of spring are often vulnerable to a frost.
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